汇款单英文是cash remittance note; remittance bill

例句

The cash ratio expresses the relationship of cash and cash equivalents to the current liabilities.
现金比率表达了现金和现金等价物与流动负债之间的关系。

"I need a fifty-dollar postal order, please. "
我要一张50美元的汇款单。

Please fill in the order form.
请您填写汇款单。