Y: We'd better hurry. They're boarding already.

Y:我们最好快一点，大家都已在登机了。

X: OK. Let's go. But which way is Gate 20?

X:好，那就走吧。但20号登机门在哪儿呢?

Y: Oh, here comes a man. Let's ask him... Excuse me. Can you direct me to Gate 20, please?

Y:哦，前面来了一个人，我们问问他吧。……劳驾，能告诉我20号登机门怎么走吗?

Z: Sure. Go down the stairs right over there and you'll see some directions. Just follow them.

Z:当然。顺着那边的楼梯下去，你就会看到一些指示，照着指示走就到了。