Passenger: What’s the use of having a train?schedule?if the trains are always late?
旅客：火車總是晚點(diǎn)，要列車時(shí)刻表還有什么用？

Railroad?driver: Well, how would we know they were late, if we didn’t have a schedule?
鐵路司機(jī)：如果沒有時(shí)刻表，怎么能知道晚點(diǎn)呢？