📚 The Structure and Role of the House of Commons and House of Lords | 英国下议院与上议院的结构与职能
The United Kingdom Parliament is a bicameral legislature, meaning it has two chambers: the House of Commons and the House of Lords. For Edexcel A-Level Politics, you must understand the composition, functions, and relative power of each house, as well as key conventions and reforms that shape their relationship.
英国议会是两院制立法机关，由下议院和上议院组成。在 Edexcel A-Level 政治课程中，你必须理解两院的组成、职能和相对权力，以及影响两院关系的关键惯例和改革。
1. The Westminster Parliament: An Overview | 威斯敏斯特议会概述
The UK Parliament is the supreme legislative body in the United Kingdom. It consists of the House of Commons, the House of Lords, and the monarch, whose formal approval is required for a bill to become law. In practice, the House of Commons is the dominant chamber because it is elected and has exclusive control over taxation and public spending.
英国议会是联合王国的最高立法机构。它由下议院、上议院和君主组成，君主的正式批准是法案成为法律所必需的。实际上，下议院是主导机构，因为它是民选产生的，并且对税收和公共开支拥有专属控制权。
The House of Lords is often described as a revising chamber or a chamber of scrutiny, not a rival to the elected Commons. Its role is to examine, amend, and delay legislation, drawing on the expertise and independence of its members.
上议院通常被称为修订院或审查院，而不是民选下议院的竞争对手。它的作用是运用其成员的专业知识和独立性来审查、修正和延迟立法。
2. Composition of the House of Commons | 下议院的组成
The House of Commons has 650 Members of Parliament, each elected from a single-member constituency using the first-past-the-post electoral system. MPs generally belong to political parties, and the party with an overall majority in the Commons forms the government. The chamber includes frontbenchers, who are government ministers or opposition shadow ministers, and backbenchers, who are ordinary MPs without frontbench roles.
下议院有 650 名议员，每名议员由单选区简单多数制（FPTP）选举产生。议员通常隶属于政党，在下议院拥有总体多数的政党组建政府。议院包括前座议员，即政府大臣或反对党影子大臣，以及后座议员，即没有前座职务的普通议员。
The Speaker is the presiding officer of the House of Commons. The Speaker is an MP elected by fellow MPs to chair debates, maintain order, and interpret parliamentary rules. Once elected, the Speaker must be politically impartial and does not vote except to break ties.
议长是下议院的主持官员。议长是由其他议员选出的议员，负责主持辩论、维持秩序和解释议会规则。一旦当选，议长必须保持政治中立，除非出现平票，否则不参与投票。
Party whips are MPs or peers appointed by each party to maintain discipline and ensure members attend and vote according to the party line. Whips play a crucial role in managing parliamentary business and communicating the leadership’s instructions.
党鞭是由各政党任命的议员或贵族，负责维持纪律并确保成员按照政党路线出席和投票。党鞭在管理议会事务和传达领导层指示方面发挥着关键作用。
3. Composition of the House of Lords | 上议院的组成
The House of Lords is not elected. It has around 800 members, known as peers, who sit by appointment, heredity, or office. The main categories are life peers, hereditary peers, and the Lords Spiritual, who are senior bishops of the Church of England.
上议院不是民选产生的。它有大约 800 名成员，称为贵族，他们通过任命、世袭或职务任职。主要类别包括终身贵族、世袭贵族和灵职议员，即英国国教会的高级主教。
Life peers are appointed under the Life Peerages Act 1958. They are nominated by the prime minister and political parties, and many are appointed for their expertise in fields such as law, science, business, and public service. Life peerages cannot be inherited.
终身贵族根据 1958 年《终身贵族法》任命。他们由首相和政党提名，许多人因其在法律、科学、商业和公共服务等领域的专业知识而被任命。终身贵族身份不可继承。
Hereditary peers inherit their titles. The House of Lords Act 1999 removed most hereditary peers from the chamber, but 92 remain as an exception until further reform. The Lords Spiritual consist of 26 bishops, including the Archbishops of Canterbury and York.
世袭贵族通过继承获得头衔。1999 年《上议院法》将大多数世袭贵族移出上议院，但作为例外保留 92 名，直到进一步改革。灵职议员由 26 名主教组成，包括坎特伯雷大主教和约克大主教。
4. Legislative Role of the House of Commons | 下议院的立法职能
The House of Commons is the primary law-making chamber. Most government bills are introduced in the Commons and pass through a series of stages: first reading, second reading, committee stage, report stage, and third reading. The Commons can amend, pass, or reject legislation, but in practice the government usually controls the timetable and the majority vote.
下议院是主要的立法机构。大多数政府法案在下议院提出，并经过一系列阶段：一读、二读、委员会阶段、报告阶段和三读。下议院可以修正、通过或否决立法，但实际上政府通常控制时间表和多数投票。
The House of Commons has exclusive authority over money bills, which deal with taxation and public expenditure. Under the Parliament Act 1911, the Lords cannot amend or delay a bill certified by the Speaker as a money bill for more than one month. This gives the elected chamber final control over the nation’s finances.
下议院对财政法案拥有专属权力，这些法案涉及税收和公共开支。根据 1911 年《议会法》，上议院不得修正或延迟由议长认证为财政法案的法案超过一个月。这使得民选议院对国家财政拥有最终控制权。
5. Legislative Role of the House of Lords | 上议院的立法职能
The House of Lords acts mainly as a revising and scrutinising chamber. It examines bills sent from the Commons, suggests amendments, and can ask the Commons to reconsider provisions. Peers often have specialist knowledge that allows them to identify technical flaws, unintended consequences, and issues overlooked in the Commons.
上议院主要充当修订和审查机构。它审查下议院送来的法案，提出修正案，并可以要求下议院重新审议条款。贵族通常拥有专业知识，使他们能够发现技术缺陷、意外后果以及下议院忽略的问题。
The Lords can delay non-money bills for up to one year under the Parliament Acts 1911 and 1949. However, it cannot veto legislation that the Commons insists on passing. If the Commons passes the same bill in two successive parliamentary sessions, the bill can receive royal assent without the Lords’ approval.
根据 1911 年和 1949 年《议会法》，上议院可以将非财政法案延迟最多一年。然而，它不能否决下议院坚持通过的法案。如果下议院在连续两个议会会期中通过同一法案，该法案可以在没有上议院批准的情况下获得御准。
6. Scrutiny and Accountability | 审查与问责职能
Both houses hold the government to account, but the House of Commons is the principal arena. Key mechanisms include Prime Minister’s Questions, ministerial questions, urgent questions, debates, and select committees. Select committees are cross-party groups of MPs that investigate government departments, policies, and spending, and publish reports with recommendations.
两院都追究政府责任，但下议院是主要场所。关键机制包括首相问答、部长质询、紧急质询、辩论和专门委员会。专门委员会是由跨党派议员组成的小组，负责调查政府部门、政策和开支，并发布带有建议的报告。
The House of Lords also conducts scrutiny through its own select committees, which often focus on long-term, technical, and constitutional issues. Because many peers are not seeking re-election and have greater independence from party whips, they can challenge the government more freely than MPs.
上议院也通过自己的专门委员会进行审查，这些委员会通常关注长期、技术性和宪法问题。由于许多贵族不寻求连任，并且对党鞭具有更大的独立性，他们可以比议员更自由地挑战政府。
7. Representation and Legitimacy | 代表性与合法性
The House of Commons derives its democratic legitimacy from being directly elected by the public. MPs are expected to represent their constituents, raise local and national concerns, and hold the government to account on behalf of voters. This electoral mandate gives the Commons moral and constitutional authority over the unelected Lords.
下议院的民主合法性来自其由公众直接选举产生。议员被期望代表其选区选民，提出地方和国家关切，并代表选民追究政府责任。这种选举授权赋予下议院相对于非民选上议院的道德和宪法权威。
The House of Lords lacks democratic legitimacy because its members are not elected. However, supporters argue that it provides a different kind of representation: expertise, experience, and independence from short-term electoral pressures. Critics counter that an unelected chamber should not be able to delay laws made by elected representatives.
上议院缺乏民主合法性，因为其成员不是民选的。然而，支持者认为它提供了不同类型的代表性：专业知识、经验以及不受短期选举压力的独立性。批评者反驳说，非民选议院不应有权延迟民选代表制定的法律。
8. The Relationship Between the Two Houses | 两院之间的关系
The House of Commons is constitutionally dominant. The Parliament Acts 1911 and 1949 ensure that the elected chamber can ultimately override the Lords on legislation. The Salisbury Convention, established after the Second World War, states that the Lords should not block government bills that were included in the winning party’s election manifesto.
下议院在宪法上居于主导地位。1911 年和 1949 年《议会法》确保民选议院在立法上最终可以推翻上议院。二战后确立的《索尔兹伯里公约》规定，上议院不应阻止执政党竞选宣言中包含的政府法案。
Despite this, the Lords can still influence policy by defeating or amending government bills, especially when the government has a small majority or lacks public support. Repeated defeats in the Lords can force the government to compromise, withdraw proposals, or accept amendments.
尽管如此，上议院仍然可以通过否决或修正政府法案来影响政策，尤其是当政府只有微弱多数或缺乏公众支持时。在上议院反复受挫可以迫使政府妥协、撤回提案或接受修正案。
9. Reform of the House of Lords | 上议院改革
House of Lords reform has been debated for over a century. The Parliament Act 1911 reduced the Lords’ power to delay legislation, and the House of Lords Act 1999 removed all but 92 hereditary peers. Since then, most peers have been life peers appointed for their expertise or political service.
上议院改革已经争论了一个多世纪。1911 年《议会法》削弱了上议院延迟立法的权力，1999 年《上议院法》废除了除 92 名以外的所有世袭贵族。此后，大多数贵族是因专业知识或政治服务而被任命的终身贵族。
Proposals for a fully or partly elected second chamber have repeatedly failed to gain cross-party agreement. Supporters of an elected Lords argue that democratic legitimacy is essential for any legislature. Opponents warn that an elected second chamber would rival the Commons, create gridlock, and lose the specialist expertise of appointed peers.
设立完全或部分民选第二院的提议屡次未能获得跨党派共识。民选上议院的支持者认为，民主合法性对任何立法机关都是必不可少的。反对者警告说，民选第二院将与下议院竞争，造成僵局，并失去任命贵族的专业知识。
10. Exam Focus: Key Terms and Arguments | 考试重点：关键术语与论点
For high marks in Edexcel A-Level Politics, you should confidently define and apply terms such as bicameralism, parliamentary sovereignty, money bills, the Salisbury Convention, the Parliament Acts, and life peers. You should also be able to compare the elected mandate of the Commons with the revising role of the Lords.
要在 Edexcel A-Level 政治考试中取得高分，你应该能够自信地定义和运用两院制、议会主权、财政法案、《索尔兹伯里公约》、《议会法》和终身贵族等术语。你还应该能够比较下议院的民选授权与上议院的修订角色。
A common exam question asks whether the House of Lords is an effective check on government. A strong answer will evaluate both sides: the Lords can delay, amend, and expose weaknesses in bills, but it cannot ultimately block legislation backed by the Commons, and its lack of democratic legitimacy limits its authority.
常见的考试题目是问上议院是否构成对政府的有效制约。一个好的答案会评估两方面：上议院可以延迟、修正和暴露法案中的弱点，但它不能最终阻止下议院支持的法案，而且其缺乏民主合法性限制了它的权威。
Another key argument is whether the House of Commons is truly sovereign in practice. Although parliamentary sovereignty means Parliament can make or unmake any law, party discipline, the executive’s control of the timetable, and the influence of the Lords all constrain the Commons in everyday politics.
另一个关键论点是下议院在实践中是否真正拥有主权。尽管议会主权意味着议会可以制定或废除任何法律，但政党纪律、行政机关对时间表的控制以及上议院的影响都在日常政治中制约着下议院。
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