从事的英文短语

　　You must be very busy with your call.

　　你一定是忙着应酬吧。

　　I claimed to be so busy with the things inside the zone.

　　我宣告过我在安全地带里很忙碌。

　　Be engaged in legal affairs concerning foreign economic issues.

　　从事对外经济法律事务。