请高人来翻译!英语 有关税收的～

题目

请高人来翻译!英语 有关税收的～
customs union is trade agreement by which a group of countries charges a common set of tariffs to the rest of the world while allowing free trade among themselves. It is a partial form of economic integration,intermediate between free-trade zones,which allow mutual free trade but lack a common tariff system,and common markets,which both utilize common tariffs and allow free movement of resources including capital and labour between members.

答案

customs union is trade agreement by which a group of countries charges a common set of tariffs to the rest of the world while allowing free trade among themselves.It is a partial form of economic inte...