commercial bureau

例句：

1. 1.The commercial bureau is responsible for regulating the market.
   商业局负责监管市场。
2. 2. The new commercial bureau has been established to improve trade relations.
   新成立的商务局旨在改善贸易关系。
3. 3. The commercial bureau will be hosting a conference on trade policy this week.
   商务局本周将举办一次关于贸易政策的会议。