Unless otherwise agreed to by seller, payment is to be made against sight draft drawn under a confirmed, irrevocable, divisible and assignable letter of credit without recourse for the full amount, established through a first class bank acceptable to the sellers. 除得到卖方同意者外,买方应通过卖方所能接受的第一流银行开立保兑的、不可撤消的及无追索权、可分割、可转让的全部货款凭即期汇票支付的信用证付款。