Unit One Presentation and Layout of Business Letters商业信函格式 Unit Fwo Inquiries询购 Unit/hree Repl ies and Quotations复函与报价 Unit Four Orders and Acknowledgment订购与确认 Unit Five Insurance保险 Unit Six Packing包装 Unit Seven Transportation运输 Unit Eight Payment by L/C信用证付款 Unit Nine Other Modes of Payment其他付款方式 Unit Ten Complaints and Adjustment投诉与处理 Unit Eleven Agencies代理 Unit Twelve Electronic Correspondence电子信函
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