他的工作是做国内贸易。
He worked in internal trade.

我们的目标是进一步加强贸易关系。
Our object is to further cement trade relations.

进出口的高关税是国际贸易的障碍。
Heavy duties on imports and exports are a barrier to international trade.

他们从事国内贸易。
They are engaged in interior trade.

贸易促进工业发展。

近年来我们的对外贸易有所扩大。
Our foreign trade has expanded during recent years.

我们给了那个国家特殊的贸易优惠。
We've granted that country special trade preferences.

中国和许多国家进行多方面贸易。