BEC写作：2012(BEC)商务英语写作辅导：卖方对支付方式的

　　501. The letter of credit for each order shall reach us 30 days.

　　每批货物的信用证应在发货日前30天寄达我方。

　　502. 15-20 days prior to the date of delivery， you should pay against the presentation of the drawn on the opening bank.

　　在交货期15-20天前，贵方应凭开户银行开具的汇票付款。

　　503. The payment shall be made by telegraphic transfer to the bank of China， Head office， Beijing， China， for our account， within five business days after the contract signature date.

　　货款必须在合同签署日后的第5个营业日内，用电汇方式汇入我方在中国银行，中国北京总行的账户。

　　504. Advance payment of 25% of the contract value shall be paid within 30 days of the date of signing the contract.

　　合同签订之日后30天内预付合同价值的25%.

　　505. The payment shall be made by five annual installments of 20% each.

　　货款将在5年内分期付款，每年支付20%.