商务区的英文：
business quarter; commercial district; shopping center
n. 商业，交易，生意；公司，商店；事情；职责
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
n. 四分之一；一刻钟；地区；节；季度
v. 将…四等分；（供）住宿；（使）驻扎
receive quarter
得到宽恕，被免一死
sound off quarters
鸣鼓收兵|暂停战斗|解除战斗警报
first quarter moon
半月|上弦月
adj. 商业的；商业性的
n. 商业广告
Commercial invoice is a document.
商业发票是一种单证。
We are not a commercial organization.
我们是一个非营利团体。
The play was a commercial success.
这出戏从营利角度看， 很成功。