The expression, dealing off the bottom, now means cheating in business, as well as in cards.

VOA: special.2009.11.22

Well, if you look, Sal, after witnessing what it means -what their business is with one another, he looks out, and he sees the world through Carlo's eyes.

好吧，你们看Sal，在见证了这意味着什么之后,-他们的生意彼此是干嘛的，他留神通过卡洛的眼睛看世界。

耶鲁公开课 - 1945年后的美国小说课程节选

This means being too concerned about things that are not your business might cause problems.

VOA: special.2009.09.27

In business, it usually means to develop a calm and orderly plan of action.

VOA: special.2010.07.25

This means none of your business.

VOA: special.2009.06.28

Monkey business usually means secret, maybe illegal,activities.

VOA: special.2011.03.13

"Business is coming. Investment is coming. And what does this mean? This means jobs,my friend.

VOA: standard.2009.09.13