D/P at 90 days after sight 和D/A at 90 days after sight 有何区别,各有何风险?

D/A at 90days after D/P at 90 days after sight 和D/A at 90 days after sight 有何区别,各有何风险? D/A AT 30 DAYS AFTER SIGHT 比采用D/P AT 30 DAYS AFTER SIHGT 承担风险 要大是吗 大哥大姐~D/P AT 30 DAYS AFTER SIGHT和D/A AT 30 DAYS AFTER SIGHT有何区别?各有什么风险?D/P AT 30 DAYS AFTER SIGHT和D/A AT 30 DAYS AFTER SIGHT有何区别?各有什么风险? D/P AT 30 DAYS AFTER SIGHT 和D/A AT 30 DAYS AFTER SIGHT有何区别,各有什么风险他们各有什么区别,在哪里有, 请教,付款方式：By D/A at 30 days after draft date怎么理解?谢谢 The weather will change ___the next few days.A.in B.for C.after D.at D/P 30 days after BL date,这个付款方式具体是什么意思? at 90 days after at 90 days after sight是在第90天付款,还是90天之后~希望不十分清楚的人别误导~ His father will be back _____three days.A.at B.after C.in D.on 为什么选 D.on DRAFTS AT 90 DAYS AFTER SIGHT 指见票后90天.见什么票? At 90 Days After Sight For Full Ivoice Value再给翻译下 SHIPMENT AT 90 DAYS AFTER THE DATE OF L/C,ISSUE 则装运日如何掌握? 英语翻译Terms of payment:by deferred payment at 90 days after delivery order date怎么翻译? 商业发票翻译by LC at 90days after sight for 100 percent of invoice value The weather will change （）the next few days. A.in B.for C.after D.at 信用证42C DRAFTS AT：AT 90DAYS AFTER B/L DATE FOR 100 PCT OF INVOICE VALUE. 是什么意思? at 30 days after sight 与 at one month after date 的区别是什么?