He is doing a commercial course at the local college.

他在当地的学院里教授一门商业课程。

youdao

E. g. He is doing a commercial course at the local college.

他在当地的学院里教授一门商业课程。

youdao

I am to graduate this July from Beijing commercial College, having completed the four-year commercial course.

今年七月本人将从北京商学院毕业，读完四年的商科课程。

youdao

"For example,the woman's sector have put through a recommendation to cabinet around the idea of putting a moratorium on arrests of commercial sex workers during the course of the World Cup."

VOA: standard.2010.05.29

On commercial radio, of course, you'll have to suffer through about the same amount of time in commercials each hour.

FORBES: Public Radio Goes Begging

Of course, commercial banks are vulnerable to a run on customer deposits.

FORBES: Magazine Article

No authentic German experience would be complete without beer, of course, but commercial breweries have been a very recent addition to the town.

BBC: A German enclave in central Texas