结清 to clear off||to pya off
请求付款 to ask for payment||to request payment
恳求付帐 to solicit payment
拖延付款 to defer payment||to delay payment
付款被拖延 to be in arrears with payment
还债 to discharge
迅速付款 to pay promptly
付款相当迅速 to pay moderately well||to pay fairly well||to keep the engagements regularly
付款相当慢 to pay slowly||to take extended credit
付款不好 to pay badly||to be generally in arrear with payments