Unit 1	Business Letter Writing	下载
Unit 2	Invitation and Arrangement of Visits
Unit 3	Establishing Business Relations
Unit 4	Enquiries and Replies
Unit 5	Quotations, Offers and Counter-offers
Unit 6	Sales Promotion
Unit 7	Order and their fulfillment
Unit 8	payment
Unit 9	packing
Unit 10	Shipping
Unit 11	Insurance
Unit 12	Claim and Settlement
Unit 13	Agency
Unit 14	Flexible trade
Unit 17	Electronic correspondence