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                                    Unit 1 Air Travel
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                                    Unit 2 Welcome on Board
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                                    Unit 3 Enjoy Your Hotel Stay
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                                    Unit 4 Dealing with a Customer
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                                    Unit 5 Surfing Smartly and Safely
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                                    Unit 6 Equipped for the Job
- 課程介紹
- 課程安排
- 評論
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