He is a clam about his business dealing.

他对自己的生意买卖守口如瓶。

youdao

Jack went into a business dealing in fire-fighting equipment.

杰克做起了消防器材生意。

youdao

It's our hope to continue with considerable business dealing with you.

我方希望能继续同贵方保持大量的业务往来。

youdao

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

VOA: special.2009.11.22

France and Iraq are expected to sign several agreements dealing with aid, agricultural development, business and culture during Mr.Talibani's visit.

VOA: standard.2009.11.16

However, many students in my class do not feel so confident that this kind of business dealing will make them feel proud.

FORBES: The Ethics of "Manipulative" Product Rebates

The U.S. Naval Academy graduate is also acquainted with pressures at sea level, having spent 30 years in the utility business dealing with banks, regulators and customers.

FORBES: Magazine Article

What is sinister, if true, was the recorded phone call of Raj with Galleon personnel to create an email to make it look as if there was a legitimate business dealing when instead a trade had been made based on a quick phone call from an insider.

FORBES: Rajaratnam Evidence -- Where Are The Emails?