Q

Why does a man's hair become grey before his moustaches?
为什么男人的头发比胡子先变白？

A

Because a man’s moustaches come up after his hair.
因为男人的头发先长出来。

点睛一笔

grey是“灰白色的”，中文中的“长白头发”并不是“become white”而是“become grey”。moustache是指“小胡子”，也就是上嘴唇上部的胡子。因为男人是先长头发，到一定的年龄后才会长胡子，所以是头发先变老变白喽！