【简答题】A.The tickets are only available on unpopular times. B.They want people to travel when trains are not normally full. C.They want to encourage business people to travel at midday. D.They want to make p...
【简答题】A.The tickets are only available on unpopular times. B.They want people to travel when trains are not normally full. C.They want to encourage business people to travel at midday. D.They want to make p...