经营的英文：
engage in a business activity, etc.
run
operate

Operating expenditure
经营费

Multi-marketing
多(种)市场经营

Mr. Canon trades in furs.
卡农先生经营皮货。

Pooling of interest
利益共享,共同经营

Carry on
继续下去,坚持下去;从事,经营

Canalization of exports
出口统一管理、归口经营

His tradecraft was appallingly reckless
他的经营轻率得令人吃惊。

He is running a prosperous business.
他的事业经营得很成功。

His tradecraft was appallingly reckless.
他的经营轻率得令人吃惊。

To diversify one's business is to embark on different kinds of commercial business
多样化就是从事各式各样的商业经营。

Be engaged in; be Busy in
从事于

to sit for business
因公滞留

As Busy as a bee
(象蜜蜂)忙忙碌碌的

She is an active participant in this activity.
她积极参与这项活动。

They are union actives.
他们是工会积极分子。

contamination activity
污染放射性