freedom to trade

例句：

1. 1. The company has been engaged in international trade for over a decade.
   这家公司已经从事国际贸易十多年了。
2. 2. Trade barriers are often used to protect domestic industries.
   贸易壁垒通常用来保护国内产业。
3. 3.The two countries have agreed to resume trade talks.
   两国已同意恢复贸易谈判。