外贸信用证中的问题

INSURANCE IS TO BE EFFECTED BY BUYER 保险由买方负责。出口方无须投保，也就不用提交保单了。这是CFR价格术语或FOB价格术语下的交单条件。

YOUR MANUALLY SIGNED ORIGINAL INVOICES IN OCTUPLICATE CERTIFYING MERCHANDISE TO BE OF P.R.OF CHINA ORIGIN
你方手签的正本发票八份，并在发票上证明商品为中华人民共和国原产。这个证明注明在发票的货描之后的空白处即可。

6 COPIES OF INVOICES WITH 2 COPIES OF NON-NEGOTIABLE BILLS OF LADING TO BE SENT DIRECT TO AGENTS M/S.PAKISTAN GENERAL TRADER,P.O.BOX5520 KARACHI IMMEDIATELY AFTER SHIPMENT BY REGISTERED POST AND BENEFICIARY'S CERTIFICATE TO THIS EFFECT MUST ACCOMPANY DOCUMENTS.
6份发票及两份副本的提单要在装船后立即通过挂号邮件寄给代理公司M/S.PAKISTAN GENERAL TRADER,P.O.BOX5520 KARACHI，交单时要随付一份受益人证明已经按此要求处理。

DRAFTS BE MARKED"DRAWN UNDER HABIB BANK LIMITED CREDIT NO.5433/WL DATED 18TH JULY,1991"AND AMOUNT THEREOF ENDORSED ON THIS LETTER OF CREDIT BY NEGOTIATING BANK。
汇票上要标明出票依据为DRAWN UNDER HABIB BANK LIMITED CREDIT NO.5433/WL DATED 18TH JULY,1991。汇票金额议付行须在议付时做背批（在信用证背面注明议付的汇票金额，以防重复议付）

你这是在学习信用证操作呀？那就多来百度知道吧。