spot cash

例句：

1. 1.We need to have some spot cash on hand for emergencies.
   我们需要准备一些现金以备不时之需。
2. 2.The shopkeeper gave me a discount on the spot cash.
   店主对我手中的现钞打了折。
3. 3.He had to pay with spot cash because he didn't have any credit cards.
   他不得不用现钞支付，因为他没有信用卡。