chapter 1 principles of business letter writing chapter 2 layout of a business letter chapter 3 establishing business relations chapter 4 enquiries and quotations chapter 5 counter offers chapter 6 order chapter 7 payment chapter 8 letter of credit chapter 9 packing chapter 10 transportation chapter 11 insurance chapter 12 claims and settlement chapter 13 agency 附錄 常用外貿(mào)英語函電縮寫 參考文獻