在化学工业中，安全不是一个部门，而是一种文化。

Time is a river that flows backward as much as it flows forward.

Sun don't shine forever, but as long as it's here then we might as well shine together.

解释：占卜来解决疑惑，如果没有疑惑的话又何必占卜呢？

The evidence seems to favor the view that the fundamental structure of the virus is a hollow tube.