single market
noun /ˌsɪŋɡl ˈmɑːkɪt/
/ˌsɪŋɡl ˈmɑːrkɪt/
[usually singular] (economics- a group of countries that have few or no controls or limits on the movement of goods, money and people between the members of the group
单一市场(由若干国家构成,成员国之间对于相互间的商品交易、货币流通及人员往来限制极少或没有限制)