Either way will help you get it darker so you can sleep better.

两者方法其一都能帮助你让房间暗下来，这样你就更睡地更好。

youdao

It is getting darker and darker, so we must be off.

天越来越黑了，因而我们必须离开。

youdao

It is getting darker and darker, so we must be off.

天越来越黑了，因而我们必须离开。

youdao