应付票据

例句：

1. 1. The company has to pay off its debts before the end of the year.
   公司必须在年底前还清其债务。
2. 2. The bank will not accept any unpaid bills as a valid form of payment.
   银行不接受任何未支付的账单作为有效的付款方式。
3. 3. The company is facing financial difficulties and needs to settle its outstanding accounts.
   该公司面临财务困难，需要结清其未付账款。