他们的许多问题仍然没有解决。

Many of their issues are still unresolved.

youdao

问题仍然没有解决的基本要求。

The problem is still unsolved at a fundamental level.

youdao

这是一个飞跃，但是有几个问题仍然没有解决。

This was a big step forward, but several problems remained.

youdao

So the problem of infectious disease prevention and treatment isn't solved yet, you know this, right?

传染病预防和治疗的问题,现在仍然没有解决,你们应该了解,对吧

耶鲁公开课 - 生物医学工程探索课程节选