change of trade

• 改行；另谋它业

change of trade的用法和样例：

例句

1. By that time, many experienced craftsmen had quit the trade.
   到那时，很多有经验的手工业工人都改行了。
2. It seems that I should change my profession to sell sports goods.
   看来，我要改行去经销体育用品了。