目录 Unit 1 Introduction of E-commerce Part 1 Dialogues Part 2 Business Letter Part 3 Grammar Part 4 Exercises Part 5 Knowledge Extension Unit 2 Establish Business Relations Part 1 Dialogues Part 2 Business Letter Part 3 Grammar Part 4 Exercises Part 5 Knowledge Extension Unit 3 Inquiry Part 1 Dialogues Part 2 Business Letter Part 3 Grammar Part 4 Exercises Part 5 Knowledge Extension Unit 4 Offer & Counter-offer Part 1 Dialogues Part 2 Business Letter Part 3 Grammar Part 4 Exercises Part 5 Knowledge Extension Unit 5 Payment Part 1 Dialogues Part 2 Business Letter Part 3 Grammar Part 4 Exercises Part 5 Knowledge Extension Unit 6 Shipment Part 1 Dialogues Part 2 Business Letter Part 3 Grammar Part 4 Exercises Part 5 Knowledge Extension Unit 7 Contract Part 1 Dialogues Part 2 Business Letter Part 3 Grammar Part 4 Exercises Part 5 Knowledge Extension Unit 8 Online Sales Part 1 Dialogues Part 2 Business Letter Part 3 Grammar Part 4 Exercises Part 5 Knowledge Extension Unit 9 After-sales and Claim Part 1 Dialogues Part 2 Business Letter Part 3 Grammar Part 4 Exercises Part 5 Knowledge Extension
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