A：What's the matter?怎么啦?
B：Which subway should I take to get to the East Side?我要搭哪趟地鐵才能去東區(qū)。
A：Oh, you have to take the shuttle to Grand Central.噢，你必須搭去Grand Central的短程火車(chē)。
B：Which train is that? Which platform does it leave from?是哪一輛?它從哪個(gè)站臺(tái)駛離?