frontier traffic

• n. 边境贸易

frontier traffic的用法和样例：

例句

用作名词 (n.)

1. Frontier trade is one of the special trade form between the adjacent countries, and is the important content of the whole open?door policy in our country.
   边境贸易是毗邻国家之间特有的一种贸易形式，是我国全方位开放的重要内容。