() not yet paid未付的；未还的；未缴纳的⨁unpaid bills / debts / fees / rent未付账单；未偿债务；未缴费用；未付租金(about work, etc.) done or taken without payment（工作等）不付薪的，无偿的◆unpaid work无偿工作◆to take unpaid leave休不带薪假期(about people) not receiving payment for work that they do（人）不领薪水的，无偿工作的◆unpaid volunteers无偿工作的志愿者OPPpaid delivered duty unpaid