payor

例句：

1. 1. The company is responsible for paying the bills on time.
   公司有责任按时支付账单。
2. 2. The customer was asked to pay the full amount due.
   顾客被要求支付全部应付款。
3. 3. The payment was made by credit card.
   付款是通过信用卡进行的。