经营性收入的英文：
operational income

operational是什么意思：
adj. 操作的；运作的

The operator O is the null operator.
算符O是零算符。

They are computer operators.
他们是计算机操作员。

monitor operator
之声监听员

It is a major operation. It is a very messy operation.
这是大手术，难度很大。

Has operator received pump instruction and operations manual?
操作者是否收到泵说明书和操作手册?

income是什么意思：
n. 收入；收益；所得

IQC Incoming quality control
来料检验

Incoming fire has the right of way.
飞来的子弹有优先通行权。（挡它的道你就要倒大楣！）

He has a comfortable income.
他有充裕的收入。

The data on Argentine incomes are sparse.
有关阿根廷国民收入的资料不多。

His income is incomparable with mine.
他的收入不能与我的相比。