When it is not used, please turn the power switch off and switch off the power supply.

不使用时，请将电源开关关闭，并切断电源。

youdao

Please turn all the lights off as you leave the building; we can't afford to waste power.

离开时请将所有的灯关掉，我们浪费不起电。

youdao

Please turn all the lights off as you leave the building; we can't afford to waste power.

离开时请将所有的灯关掉，我们浪费不起电。

youdao