我们的惯例是用的、不可撤销的即期信用证支付方式。 It’s our practice to make payment by______1_____________________. 2. 通过银行开立信用证会增加额外的费用。 To____2__________ means an additional expense. 3. 我们的惯例。 That is our _______3_______. 4. 你们能不能接受远期信用证,允许我方延期付款,如见票 30 天付款的信用证? Could you accept a time L/C and allow us to____4_____________, say, 30 days after sight? 5. 我们通常要用即期信用证 We usually demand payment by______5_____________.