spare

Have you got any spare boxes?

你有没有多余的盒子？

You could sleep in the spare bedroom.

你可以睡那间空着的客房。

Do you have any spare cash?

你手头有闲钱吗？

I’ll go and see if there are any spare seats.

我去看看是否还有空余的座位。

A decline in beer sales had left the industry with spare capacity (= the ability to produce more than can be sold ) .

啤酒销售量的下降使该行业出现产能闲置。