customs duty例句

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 imported into the country.
进口关税是商品被进口到国内应付的费用.