当然可数，如：

名词 n. 换

changing

· i need a change of clothes.

我需要一套换洗衣服。

名词 n. 换个地方（休息）

a rest or holiday taken in another circumstance

· You need a rest and change.

你需要休息和换个环境。

· go to the country for a change of air

到乡下去换空气

· he needs a change of air.

他需要易地疗养。

名词 n. 变化

a difference

· great changes have taken place since 1976.

一九七六年以来发生了巨大的变化。

· this change of state is a physical change and not a chemical one.

这种状态变化是物理变化，而不是化学变化。

名词 n. 找头；找的钱

change (c) money that you give back when someone has paid you too much

· i haven"t any small change about me.

我身边没有零钱。