Unit One Presentation and Layout of Business Letters商業(yè)信函格式 Unit Fwo Inquiries詢購 Unit/hree Repl ies and Quotations復(fù)函與報價 Unit Four Orders and Acknowledgment訂購與確認(rèn) Unit Five Insurance保險 Unit Six Packing包裝 Unit Seven Transportation運(yùn)輸 Unit Eight Payment by L/C信用證付款 Unit Nine Other Modes of Payment其他付款方式 Unit Ten Complaints and Adjustment投訴與處理 Unit Eleven Agencies代理 Unit Twelve Electronic Correspondence電子信函