theories of free trade

• 自由贸易理论

theories of free trade的用法和样例：

例句

1. Europe is the birthplace of free trade theory, and the E.U. is the product of successful free trade practices.
   欧洲是自由贸易理论的诞生地，欧盟是自由贸易的成功典范。
2. As the traditional trade theory tells us that free trade is the best trade policy, the STP is totally conflict to it.
   从而打破了传统贸易理论下自由贸易才是最佳贸易政策的说法。