词典释义：
the official department that administers and collects the duties levied by a government on imported goods
海关
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cocaine seizures by customs have risen this year 今年海关查获的可卡因有所增长
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[as modifier]
a customs officer .海关官员。
the place at a port, airport, or frontier where officials check incoming goods, travellers, or luggage
（港口、机场或边境的）海关关口
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we were through customs with a minimum of formalities .我们以最简化的手续通过了海关。
(一般作
关税。
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traditional custom 传统习俗
真题例句：
" late Middle English： originally in the singular, denoting a customary due paid to a ruler, later duty levied on goods on their way to market. "
