We'll be able to purify the air and the challenge is to get the top of the smog so you can see the sun again.

我们可以净化空气，但真正的挑战在于，要将烟尘清除彻底，重见天日。

youdao

We'll be able to purify the air and the challenge is to get the top of the smog so you can see the sun again.

我们可以净化空气，但真正的挑战在于，要将烟尘清除彻底，重见天日。

youdao