唯一的事情的英文怎么说

唯一的事情的英文：
only thing

These things will happen.
这种事总要发生的。

These are things that were proposed as reasonable things to do.
这些被当作合理的事情提议出来。

Example is not the main thing in influencing others. It is the only thing.
榜样是影响他人的一样东西，但它不是主要的。

This is a vain and fleeting thing.
这是一种空虚的、转瞬即逝的东西。

It is stupid to do such a thing.
做这种事真蠢。