找座位
Y: May I sit here?
X: I'm afraid this seat is taken.
Y: Oh, is it? Thank you anyway.
X: You're welcome. Why don't you ask the conductor when he comes by? He should help you find one.
Y: Thank you.
Y：我可以坐这里吗？
X：这个座位恐怕有人坐了。
Y：哦，是吗？不管怎么样仍谢谢你。
X：别客气。待会儿列车长过来时，你何不问问他呢？他应该会帮你找一个座位。
Y：谢谢你。
