cash on the nail

例句：

1. 1. We decidedto settle the dispute by paying in cash.
   我们决定通过现金解决争端。
2. 2.The restaurant offers a discount for customers who pay in cash.
   这家餐厅为现金支付的顾客提供折扣。
3. 3.Many people prefer to pay with cash instead of credit cards.
   许多人更喜欢用现金而不是信用卡支付。