Unit 1 Business Travel Unit 2 Trade Fairs Unit 3 Company and Products Unit 4 Factory Tour Unit 5 Enquiries and Offers Unit 6 Price Bargaining Unit 7 Terms of Payment Unit 8 Packing and Shipment Unit 9 Insurance Unit 10 Orders and Contracts Unit 11 Samples and Bulk Production Unit 12 Complaints, Claims and Settlement 参考答案 参考文献