抱歉地说，我们能接受的付款条件只有100％不可撤销跟单信用证。

I am sorry to say the only term of payment we can accept is100% irrevocable documentary letter of credit.

请说明贵方付款条件和现金付款的折扣。

Please state your best terms and discount for cash.

付款条例另议

terms of payment are to be arranged

贷款条件根本没有好不好这回事，维米。

Кредит не бывает привлекательным, Вим.

他加了一个避免条款，大意是：如果汇率下跌超过去5％，付款将被修改。

He adds a let- out clause to the effect that the payment will be revised if the exchange rate fall by more than5%.