I advise you to take an additional course in some Chinese schools.

我建议你去语文培训学校学一些额外的课程。

youdao

Second, I suggest you to take an additional course in some training center.

其次，我建议你去培训中心上额外的课程。

youdao

youdao

"I think that you're going to see some significant additional sanctions imposed by the international community, assuming that the Iranians don't change course and agree to do the things they signed up to do at the beginning of October,".

VOA: standard.2009.12.12

An additional unknown is what course of action the U.S. will take once Castro dies.

FORBES: Congress Looks At Cuba

Some will even take over your bill-paying and prepare your taxes every year (for additional fees, of course).

FORBES: Watch Your Assets

And the FCC continues to search for ways to free up additional spectrum over the course of the decade to meet increasing demand.

FORBES: T-Mobile: Nearly Roadkill a Year Ago, Now a Roadrunner?