customs duty什么意思解释？

customs duty的音标：customs duty的英式发音音标为：['kʌstəmz 'dju:ti]customs duty的美式发音音标为：['kʌstəmz 'duti]...

What's the maximum amount of wine you're allowed to take through customs duty - free ?海关准许携带酒类的最大 免税 限量是 多少 ?Did you have to pay customs duty on that?你们必须为此给顾客付款 吗 ?Customs duty is a toll payable on merchandise...