A: Excuse me, Miss. I'm having trouble with my chair.
打扰一下，小姐。我的椅子有问题。
B: Let me see. I'll push the button, and you pull it forward, please.
让我看看，我按下按钮，你向前推。
A: May I unfasten my seatbelt, now?
我现在可以解开安全带吗？
B: Yes, sir. But we suggest that you wear it loosely buckled.
可以，先生。但我们建议您松一点的系着安全带。