Translation of "Vary" in Chinese

Opinions vary from person to person.

观点因人而异。

Social customs vary from country to country.

国家不同，习俗各异。

The amount of time spent asleep can vary from person to person.

睡眠时间的长短可因人而异。

The temperature in different places can vary greatly at the same time of year.

不同的地方可以在同一时节有十分不同的温度。