一个刚刚经过高考的大学生意外地收获了一块手表，并发现这块神奇的手表竟然可以使时光倒流。于是，他开始利用这块手表弥补曾经的错误。直到这块手表丢失了，他才明白了人生的真正意义。

A college student who just went through college entrance examination obtained a watch accidently. He found that this watch could make time flow backwards. Hence, he started to use this watch to make up the mistakes he had ever made. He came to know the true meaning of life till this watch was lost.