However, how to keep healthy?

但是，怎样保持健康呢?。

But how to keep healthy?

可是如何保持健康呢？

We should discuss how to keep healthy.

我们应该讨论怎样保持健康的身体。

How to keep healthy?

怎样能保持健康？

How to keep healthy?

如何保持健康？