她还要很长时间才会回来。

She won't be back for a long time ___yet.

我们的假期还要几周才开始。

Our holiday isn't for weeks ___yet.

众所周知，现在在波兰生活不容易，而且这种情况还要持续很长时间。

It's a fact that everybody knows that living in Poland is not easy now and it won't be for a long time ___yet.