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

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