现金预付用英语怎么说

"Cash in advance" 或 "Advance payment" 是现金预付的英文翻译。

"Cash in advance" 来源于英语中 "cash" 意为现金，"in advance" 意为预付。 "Advance payment" 来源于英语中 "advance" 意为预先，"payment" 意为支付。

例句：

The supplier requested cash in advance before delivering the goods. (供应商在交货前要求现金预付。)
The customer made an advance payment for the service. (客户为服务预付了费用。)