The United States is one of the richest nations in the world,
选项:
A:so it does not need to trade with poor nations in order to achieve any gains from trade.
B:so it might not have a comparative advantage in producing any goods.
C:but it can still benefit from specialization and trade.
D:so it must have a comparative advantage in the production of all goods.
发布时间:2024-05-09 00:04:26