L/C 100% against shipping documentsp这是什么?如题.具体下来是怎样?有什么风险不?

45days against L/C or deposit at sight against bill of lading是什么意思100%L/C At Sight Against Bill of Lading是什么意思请问100% 是不是见票即付呀? Inrevocable L/C against 外贸高手请指教, L/C 100% against shipping documentsp这是什么?如题.具体下来是怎样?有什么风险不? to be delivered within 35days against receipt of deposit.是什么意思?为什么用against?还有balance paid by L/C against B/L copies,balance against copy of original documents 都是什么意思呢.谢谢大家 有个客户已合作多年了,一直都使用L/C,这次的单,他想改用:100% TT against copy of the documents by fax. T/T against fax shipping document without deposit*,or *L/C at sight*.急用. 外贸中L/C,negotiation under reserves or against bank guarantee prohibited什么意思? 求翻译：“If shipment is effected against an L/C...If the shipment is effected against an L/C,the exporter can only negotiate his draft with the bank when all the documents are available. 帮我翻译一句话呀!关于付款方式L/C at sight against the first presentation of the shipping document 外贸英语,这句话怎么翻译：L/c is payable against your draftagainst在这里什么用法,怎么讲?draft呢? against against 英语翻译30% as down payment at order against an Advance Payment Bond expiring at shipment or pro rata with the shipment.70% under irrevocable L/C confirmed by first class European bank payable in Italy,negotiable and against shipping documents 100% L/C信用证 这个是不是即期不可撤销跟单信用证的意思?by irrevocable L/C at sight against the copy of Bill of Lading 这 请求英文解释,30% deposite,and the rest against the documents is always the case,L/C at sight is also acceptable. 付款方式“T/T against B/L date”