📚 Year 7 OCR Politics: Quick Reference Handbook of Formulas & Principles | 七年级OCR政治：公式定理速查手册
This handbook turns the key ideas from your Year 7 OCR Politics course into a set of memorable formulas and principles. Whether you are revising for an exam or building your understanding of how the United Kingdom is governed, these ‘formulas’ will help you recall facts and see how different parts of the political system connect.
这本手册将七年级OCR政治课程的核心概念转化为一系列易于记忆的公式和定理。无论你是在备考，还是在逐步理解英国的治理方式，这些“公式”都将帮助你记忆事实，看清政治系统各部分之间的联系。
1. The Democracy Formula | 民主公式
Democracy = People + Rule
Democracy comes from the Greek words ‘demos’ (people) and ‘kratos’ (power or rule). In a democracy, citizens hold the ultimate power to choose their representatives and shape the laws they live by.
民主源于希腊语“demos”（人民）和“kratos”（权力或统治）。在民主制度下，公民拥有最终权力，可以选择自己的代表并塑造约束自身的法律。
Democracy = Free Elections + Rule of Law + Rights Protection
For a democracy to be real, it must have regular free and fair elections, equal treatment under the law for everyone, and guaranteed basic rights such as freedom of speech and belief.
真正的民主必须包含定期的自由公正选举、法律面前人人平等以及受到保障的基本权利，例如言论自由和信仰自由。
2. Separation of Powers: The Three Branches | 三权分立定理
Government Power = Legislature + Executive + Judiciary
To prevent any one person or group from having too much control, power is spread across three branches: the Legislature makes laws, the Executive puts laws into action, and the Judiciary interprets laws and delivers justice.
为了防止个人或团体权力过度集中，政府权力被分散到三个分支：立法机关制定法律，行政机关执行法律，司法机关解释法律并主持公道。
Checks and Balances: Each Branch Limits the Others
No branch works in isolation. Parliament can question ministers (the Executive), while courts can rule that a government action is unlawful. This system keeps power balanced.
各个分支并非孤立运作。议会可以质询大臣（行政分支），法院可以裁定政府行为违法。这套体系实现了权力的制衡。
3. The UK Parliament Equation | 英国议会等式
Parliament = House of Commons + House of Lords + Monarch
The UK Parliament is made up of three parts: the elected House of Commons, the appointed House of Lords, and the Monarch (King or Queen), whose role today is largely ceremonial and symbolic.
英国议会由三部分组成：选举产生的下议院、委任产生的上议院，以及君主（国王或女王），如今君主的角色主要是仪式性和象征性的。
Commons = Elected MPs | Lords = Appointed Peers
Members of Parliament (MPs) in the Commons are voted in by the public in general elections. Members of the House of Lords, known as peers, are appointed for their expertise and experience, not elected.
下议院的议员由公众在大选中投票选出。上议院的议员称为贵族，他们因专业知识和经验获任命，而非经选举产生。
4. How a Law Is Made: The Legislative Blueprint | 法律制定流程公式
Bill → Commons Stages → Lords Stages → Royal Assent → Act of Parliament
A proposed new law, called a bill, must pass through several stages in both the House of Commons and the House of Lords. Once approved by both Houses and signed by the Monarch, it becomes an Act of Parliament and is law.
一项拟议新法称为“法案”，必须在下议院和上议院经历多个阶段。经两院批准并由君主签署后，它便成为议会法令，即正式法律。
Key Commons stages: 1st Reading → 2nd Reading → Committee → Report → 3rd Reading
First Reading is a formality. At Second Reading, MPs debate the main ideas. A committee then examines the bill in detail, after which the whole House considers amendments at Report stage. Finally, Third Reading gives approval for the bill to move to the Lords.
一读只是走形式。二读时议员就主要想法进行辩论。随后一个委员会对法案进行逐条审查，全院在报告阶段审议修正案。最后三读通过，意味着下议院批准法案送交上议院。
5. Rights and Responsibilities Balance | 权利与责任平衡定理
Every Right ↔ A Corresponding Responsibility
In a fair society, having a right always comes with a responsibility to respect the rights of others. For example, you have the right to free speech, but a responsibility not to spread hatred or lies.
在公平社会中，拥有权利的同时始终负有尊重他人权利的责任。例如，你享有言论自由权，但同时也有不散播仇恨或谎言的义务。
Right to Education = Responsibility to Attend and Learn
Children have the right to an education under UK law, but that right is balanced by the parental responsibility to ensure a child attends school and the pupil’s responsibility to engage in learning.
根据英国法律，儿童享有受教育权，但这权利与父母确保子女上学的责任、以及学生积极参与学习的责任相平衡。
6. Rule of Law Principle | 法治原则
No One Is Above the Law
The rule of law means that every person and institution, including the government itself, must follow the law. The law applies equally to a prime minister and an ordinary citizen.
法治意味着每一个人和每一个机构，包括政府自身，都必须遵守法律。法律平等地适用于首相和普通公民。
Rule of Law = Clear Rules × Fair Enforcement ÷ No Arbitrary Power
The law must be clear and public, enforced fairly by independent courts, and not used as a tool for arbitrary or personal decisions by those in power.
法律必须清晰公开，由独立的法院公正执行，且不被掌权者用作任意或谋私的决定工具。
7. Voting Systems: First-Past-the-Post (FPTP) | 选举制度公式：简单多数制
FPTP: Winner = Most Votes in a Constituency
In UK general elections, the country is divided into 650 constituencies. Voters in each constituency choose one candidate. The candidate with the highest number of votes wins that seat and becomes the MP, even if they do not win over half of the votes.
在英国大选中，全国被划分为650个选区。每个选区的选民选出一名候选人。得票最多的候选人赢得该席位并成为议员，即使其得票率未超过半数。
Strong Government vs. Proportionality
FPTP often produces one party with a clear majority in the Commons, which makes government easier to form. However, smaller parties may get many votes nationally but few seats, raising questions about fairness.
简单多数制常常让一个政党在下院获得绝对多数席位，使组阁更加容易。但小党可能在全国获得不少选票，赢得的席位却很少，这便引发了公平性问题。
8. The Citizenship Equation | 公民身份公式
Active Citizenship = Rights + Responsibilities + Participation
Being a citizen is not just about having a passport. It means enjoying rights, fulfilling responsibilities such as obeying the law and paying taxes, and actively participating in the community, for example by voting, volunteering or joining a school council.
作为公民并不仅仅是持有一本护照。它意味着享有权利，履行如守法纳税等义务，并积极参与社区事务，例如投票、志愿服务或参加学校学生会。
Participation = Voting + Campaigning + Community Action
Citizens can take part in democracy by voting in elections, campaigning for a cause they believe in, or organising local projects that improve their neighbourhood. These actions help shape the society we live in.
公民可以通过投票选举、为信仰的事业开展宣传，或组织改善社区的地方项目来参与民主。这些行动有助于塑造我们所生活的社会。
9. Government Revenue and Spending Circle | 政府收支循环
Public Spending = Tax Revenue + Borrowing (if needed)
The government raises money mainly through taxes such as income tax, VAT and corporation tax. This money is used to pay for public services like the NHS, schools, defence and social welfare. Sometimes governments borrow to cover a shortfall.
政府主要通过所得税、增值税和公司税等税收筹集资金。这些钱用于支付公共服务，如国民保健服务、学校、国防和社会福利。有时政府会通过借款来弥补资金缺口。
Tax → Public Services → Well‑being → Economic Growth → More Tax (The Virtuous Circle)
When taxes fund effective public services, people are healthier and better educated, which helps the economy grow. A growing economy generates more tax revenue, which can then be reinvested into services.
当税收为有效的公共服务提供资金时，人们更健康、受教育程度更高，这有助于经济增长。增长的经济能创造更多税收，继而重新投入公共服务，形成良性循环。
10. Local vs National Government | 地方与中央政府的职责划分
National Government = Defence + Foreign Policy + Major Laws
The UK Parliament and central government in Westminster handle matters that affect the whole country, such as national security, immigration, foreign affairs and large‑scale economic policy.
英国议会和中央政府在威斯敏斯特处理影响全国的事务，如国家安全、移民、外交和大规模经济政策。
Local Government = Schools + Rubbish Collection + Parks + Local Planning
Local councils are responsible for services in your local area, including state schools, waste collection, maintaining parks, street lighting and deciding on planning applications for new buildings.
地方议会负责本地服务，包括公立学校、垃圾回收、公园维护、街道照明，以及审批新建项目的规划申请。
A clear division of responsibilities helps the UK run smoothly: national government sets the overall direction, while local councils ensure everyday services meet the needs of residents.
清晰的职责划分有助于英国平稳运行：中央政府确定大政方针，地方议会则确保日常服务满足居民需求。
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