The EU is the European Union: a political and economic group of countries, mostly in Europe, that work together on trade, laws, and travel.

The EU EU就是 the European Union歐洲聯盟：mostly in Europe大多在歐洲、on trade, laws, and travel在貿易、法律和旅行上 that work together一起合作的 a political and economic group of countries政治與經濟的國家集團

It grew out of a 1957 agreement, the Treaty of Rome, in western Europe. The idea was to make trade easier, keep the peace between neighbours, and stand stronger next to other big economies. It used to be called the EC, the European Community.

It它 in western Europe在西歐 out of a 1957 agreement從1957年的一份協定、the Treaty of Rome羅馬條約 grew長出來。The idea was當初的想法是 to make trade easier讓貿易更容易、keep the peace between neighbours維持鄰國之間的和平，and next to other big economies並在其他大經濟體旁邊 stand stronger站得更穩更強。It它 used to be called以前叫 the EC，the European Community歐洲共同體

Though actually, Europe and the EU are not the same thing. Europe is the continent; the EU is the club. Not every European country is in it — the UK left, and places like Norway and Switzerland stay outside.

Though actually不過其實，Europe歐洲 and the EU和EU are not the same thing不是同一回事。Europe歐洲 is the continent是那塊大陸；the EU EU is the club是那個俱樂部。Not every European country並非每個歐洲國家 is in it都在裡面——the UK英國 left退出了，and places like Norway and Switzerland而挪威、瑞士這樣的地方 stay outside一直留在外面

People say “the EU” in news, politics, and business. It is an abbreviation, always in capital letters.

People人們 in news, politics, and business在新聞、政治和商業裡 say會說 "the EU"。It它 is an abbreviation是縮寫，always in capital letters永遠用大寫字母