As time goes by everything will be better!

随着时间的流逝，一切都会好起来的！

I'm sure that everything will be better by then.

我相信到那时一切都会更美好。

Smog, we just cut back and everything will be better later.

烟雾，我们只是减排然后一切都会更好。

Because i belive everything will be better! happy, be happy.

不过呢，下线的时候我已经有好的心情了。