天知道，他们起码会更干净些。

God knows they would have been cleaner.

youdao

空气可能会更干净，因为人们开车更少了。

And the air would be cleaner because people would drive less.

youdao

我们希望每一条河流水会更清洁，干净。

We hope every river water will make cleaner and clean.

youdao

我们希望每一条河流水会更清洁，干净。

We hope every river water will make cleaner and clean.

youdao