A computer program verifies that the system is working.计算机程序可以核查系统是否在运行。The salesperson verifies the signature by comparing it with the one on the card.销售人员把签名和卡上的字迹进行对比核实。A clerk simply verifies that the payment and invoice amount match.书记员只是确认付款额和发票上的数额相符。