A preferential trading union consisting of fifteen European countries.

　　Customs Union

　　Internal tariffs² are eliminated and the member countries form a single customs territory with a common external tariff¹

　　Internal Tariffs

　　Individual country tariffs that are removed when a customs union is formed.

　　Common External Tariff

　　One tariff will be applied³ to all goods entering the customs union.

　　European Parliament

　　Comprised of seven political groups where representatives examine and adopt EU legislation

　　Council of the European Union

　　Representatives, elected by each country, develop policies and other legislative⁴ reponsibilities

　　European Commission

　　The executive agency within the EU that handles trade-related issues among many other important tasks.

　　Regionalism

　　Occurs when countries develop preferential trade policies between themselves. 欧洲联盟

　　一个由15个欧洲国家组成的优惠贸易联合组织。

　　关税同盟

　　其内部关税免除，成员国建立一个对于共同的外来关税的单一的海关边界。

　　内部关税

　　当关税同盟建立，免除个体国家的关税。

　　共同对外关税

　　对所有进入关税同盟的货物征收的一种关税。

　　欧洲议会

　　由七个政治组织组成，其代表检察和采用欧盟法规。

　　欧盟理事会

　　由每个国家选出的代表，担负发展政策和其他法规的职责。

　　欧洲执委会

　　欧盟中的执行代理，在许多重要任务中处理与贸易相关的问题。

　　地方主义

　　在国家自身发展特惠贸易政策时产生