go in for;devote oneself to;be engaged in;be busy with;deal with ;
例句:
Mr Pok has now gone into the tourism business.
波克先生现在从事旅游业。
The number of under-sixteens in low-paid jobs is increasing.
16岁以下从事低收入工作的人数正在增加。
This licence would not allow him to trade as a plc.
这个许可证并不能让他以公开股份有限公司的名义从事贸易。