付款迅速 meaning in English

prompt in answering payments

I ' m afraid we cannot give you a further discount for prompt ~
恐怕我们不能因为付款迅速而再给予你方折扣了。
After verification and authentication of the corporate invoice , buyer will accept the mtn and within eight ( 8 ) banking hours , buyer ' s bank shall release the payment via swift wire transfer to seller ' s bank
经核实和认证的公司发票,买方将接受mtn并在8 ( 8 )银行业小时内，买方银行将释放付款迅速透过swift电汇至卖方的银行