【判断题】In a customs union, trade barriers are eliminated among member countries, and each country maintains its own external trade polices with nonmember countries. 在关税同盟中,成员国之间的贸易壁垒被消除,每个国家都与非成员国家保持着自己的对外贸易...
【判断题】In a customs union, trade barriers are eliminated among member countries, and each country maintains its own external trade polices with nonmember countries.