可以是单数，也可以是复数。
different：adj.不同的；有区别的；有差异的；分别的；
differently：adv.不同地；相异地
相关介绍
His public image is very different from the real person.
他在公众心目中的形象与他真实的本人截然不同。
The two groups of children have quite different characteristics.
这两组儿童具有截然不同的特点。
It's good to meet people from different parts of the country.
结识来自这个国家不同地区的人是有益的。
