operating expense

营业费用

例句与用法：

Ensure the guard is in place before operating the machine.

将防护罩确实放好后再开机器。

The patient died on the operating table.

病人死在手术台上了。

The lift was not operating properly.

电梯有些失灵了。

The patient was sent to the operating room.

这个病人被送进了手术室。

I am skilled in operating a computer.

我能够熟练操作计算机。

Consisting of or operating several devices of one kind at the same time.

同时操作的同时操作某类部件或由某一类部件组成的