They don't have a lot of spare cash.

他们并没有很多多余的现金。

《柯林斯英汉双解大词典》

Few people had spare cash for inessentials.

很少人有闲钱买那些可有可无的东西。

《牛津词典》

We as consumers need to feel confident that our jobs are safe before we will spend spare cash.

我们作为消费者需要确信我们的工作是不会丢的，这样才会去花闲钱。

《柯林斯英汉双解大词典》

That leaves Latin American governments with little spare cash to spend on social policies.

BBC: Latin America is enjoying the good times - at last

Determine after fixed expenses (rent, phone, etc) how much spare cash you have per day.

FORBES: My Weight Watchers-Inspired Money Diet

Another debate that may revive is whether executives should always hand over their spare cash to investors.

ECONOMIST: Buttonwood