这列火车在我们这站停留几分钟？How long does this train stay at the station?
这个座位有人坐吗？Is this seat vacant?
我走开时请你帮我保留这个座位好吗？Will you please keep this seat for me while I am away?
这班火车什么时候到台南？What time is the train due in Tainan?
