Y:噢,火車就要開了,我們上車吧。
X:Are you sure it's the right train?
X:你確定那是我們要搭的列車嗎?
Y:Let's ask. ...Excuse me.Is this the right train for Chicago?
Y:我們來問問看。……對(duì)不起,這是開往芝加哥的火車嗎?
Z:Yes,it is.Hurry up .It'll leave at any moment.
Z:是的,沒錯(cuò)。快點(diǎn),馬上就要開車了。