customs union

customs union的音标为["kʌstəmz jʊnɪə] ，基本翻译为“关税同盟；海关联盟”。速记技巧可以考虑用其发音的谐音“克斯速逆恩”来帮助记忆。

Customs Union这个词的英文词源可以追溯到拉丁语“customs”，意为“习惯、习俗”。Union则表示联合、统一。因此，Customs Union的含义就是指两个或多个国家通过协议统一关税制度。

变化形式：复数形式为customs unions。

相关单词：

1. Customs Agreement - 关税同盟协定，是两个或多个国家之间关于关税制度统一的协议。

2. Common Market - 共同市场，是指通过Customs Union实现的地区经济一体化组织，成员国之间商品和人员自由流动。

3. Customs Tariff - 关税，是指Customs Union成员国共同制定的对进口商品征收的税收，用于保护本国产业。

4. Free Trade Area - 自由贸易区，是指两个国家之间通过协议取消关税，促进商品自由流动的经济一体化组织。

5. Single Market - 单一市场，是指通过Customs Union和相关政策实现商品、人员和服务的自由流动的市场，是欧洲一体化的重要组成部分。

6. Customs Union Member - 关税同盟成员国，是指加入Customs Union的国家。

7. Non-Customs Union - 非关税同盟国家，是指未加入Customs Union的国家。

8. Customs Code - 海关编码，是Customs Union成员国共同使用的商品编码系统，用于商品进口、出口和报关。

9. Harmonized System - 协调制度，是国际贸易中常用的商品编码系统，与Customs Union有一定关系。

10. Customs Broker - 海关经纪人，是指在Customs Union成员国内为进口商或出口商提供报关等服务的企业或个人。

常用短语：

1. customs union membership

2. trade barriers lifted

3. tariff-free trade

4. common external tariff

5. harmonization of regulations

6. common customs policy

7. customs clearance

双语例句：

1. The EU has joined the customs union, lifting trade barriers between member countries. (欧盟加入了关税同盟，消除了成员国之间的贸易壁垒。)

2. The new trade agreement will eliminate tariff barriers within the customs union. (新的贸易协定将消除关税同盟内的关税壁垒。)

英文小作文：

Customs Union: Benefits and Challenges

Customs unions provide benefits for member countries by lowering or eliminating trade barriers, allowing tariff-free trade among members. This can lead to increased economic growth and trade opportunities. However, they also present challenges, as harmonizing regulations and enforcing common policies can be difficult and costly. Nevertheless, the benefits outweigh the challenges for many countries that have successfully navigated the complexities of a customs union.

As an example, the EU has seen its economies grow and become more integrated through its customs union membership. However, there have been challenges, such as disagreements over policies and the need to enforce regulations across member countries with different cultures and economies. Despite these challenges, the benefits of a customs union have been significant for the EU, leading to increased economic growth and trade opportunities for its members.