T/T, L/C at sight 的 at sight 是什么意思?

T/T, L/C at sight 的 at sight 是什么意思? L/C at sight or T/T in advance D/P at sight与T/T与T/C的利与弊是什么?不好意思,是L/C 外贸词解释30%的DEPOSITES BY T/T,T/T+AT SIGHT L/C,THE LEFT 70% PAY BY AT SIGHT L/C这些外贸句子是什么意思?大家帮忙了... 懂英语的翻译一下：Irrevocable L/C at sight in favor of us OR T/T in advance Payment terms: By L/C at sight or T/T advance是什么意思? T/T against fax shipping document without deposit*,or *L/C at sight*.急用. 我是外贸新手.alance T/T or L/C at sight before delivery! 30% Deposit by T/T,the balance paid by L/C at sight可以有这样的付款方式吗?客户同意L/C at sight,我又加上30% Deposit by T/T这样有必要吗?比L/C at sight更好吗?CI,PL是什么？ T/T at sight 和T/T after sight的区别? 信用证中,T/T30%,70%balance L/C at sight 怎么翻译? 什么叫Irrevocable L/C at sight or T/T upon receive the copy of B/LIrrevocable L/C at sight or T/T upon receive the copy of B/L Payment with L/C on sight or T/T in advance.L/C和T/T是什么意思.付款方式on sight和in advance能不能提供详细说明. Terms and conditions1) Offer:by JUL 20 20072) Payment:by irrevocable L/C 100% at sight ot T/T 60days3) Shipment:three months after final SPEC,DWG with L/C L/C 和L/C AT SIGHT 的区别主要是什么啊?as the subject L/C 和L/C AT SIGHT 的区别主要是什么啊? 外贸：怎样把下面的话说的更具体一些,让不知道那些术语的人都能看懂,下面是货物的payment 和quantityQuantity:25MT/20FCLPayment: FOB Price 100% T/T in advance CIF Price 40% T/T in advance or L/C at sight用 请问有谁做过D/P at sight 的付款方式啊?现在有个客户要求30%T/T ,70%D/P at sight ,我不是很