CBP is the short name for U.S. Customs and Border Protection, the American government service that watches the country’s borders.

CBP是CBP is the short name for U.S. Customs and Border Protection是「U.S. Customs and Border Protection」（美國海關暨邊境保護局）的簡稱, the American government service that watches the country's borders是負責看守美國邊境的政府機關.

When you fly into the United States, the officers who check your passport and ask what you are bringing in usually work for CBP. They also work at seaports and along the land borders with Mexico and Canada. Their job is to decide who may enter, and to stop goods that should not come in — drugs, undeclared money, some foods and plants.

When you fly into the United States當你飛到美國入境時, the officers who check your passport and ask what you are bringing in檢查你護照、問你帶了什麼東西入境的官員 usually work for CBP通常就是 CBP 的人. They他們 also work at seaports也在海港工作 and along the land borders with Mexico and Canada以及跟墨西哥、加拿大交界的陸地邊境. Their job他們的工作 is to decide who may enter是決定誰可以入境, and to stop goods that should not come in並且攔下不該入境的物品 — drugs, undeclared money, some foods and plants像毒品、未申報的現金，還有一些食品和植物.

People often just say “customs” for the airport desk, and that is fair enough in everyday talk, though actually CBP is bigger than that old customs office: it also includes the Border Patrol, who watch the land between official crossing points. It is a US name only; other countries have their own border services and do not call them CBP.

People often just say大家常常就直接說 "customs"「customs（海關）」 for the airport desk指機場的櫃台, and that is fair enough in everyday talk在日常說話裡這樣講也算合理, though actually不過其實 CBP is bigger than that old customs officeCBP 的範圍比那個舊式的海關單位還要大: it它 also includes the Border Patrol還包含 Border Patrol（邊境巡邏隊）, who watch the land between official crossing points負責看守正式關口之間的陸地. It這 is a US name only是美國專屬的名稱; other countries have their own border services其他國家都有自己的邊境單位 and do not call them CBP不會叫做 CBP.

You will see the letters on uniforms, forms, and signs at US airports. It is official language, not casual chat.

You will see the letters你會看到這幾個字母 on uniforms, forms, and signs at US airports在美國機場的制服、表格和標示上. It這 is official language是正式用語, not casual chat不是日常閒聊會用的說法.