中国大学MOOC: You can take the life vest away if you travel by air.
举一反三
- 中国大学MOOC: _______ is not the necessary travel document when you go abroad by air.
- You can put knives in your hand bag when you travel by air.
- 中国大学MOOC:"If you join in a MNC, you can travel when doing business";
- 中国大学MOOC: The travel agency can help you with your_______.
- 中国大学MOOC: The man in the video is playing the role of a disgruntled passenger, as you can see from the vest he is wearing. Can you guess the meaning of the word disgruntled?