At the beginning of the film，an old

At the beginning of the film，an old woman wanted to buy a train ticket ，whose poor eyesight led her to the front of the line Ignoring the queue.In the meanwhlie，a young lady Politely reminded her，which made her feel sorry and apologize again and again.And then， the old woman waiting for the bus took the initiative to speak politely to a young man because of the late train.He advised her to book cheap tickets online.However,the train that is often late and booking online both are new to her. Social development makes it difficult for the elderly to adapt quickly,and young people should be patient to help them.