It is a letter from the year 2000.
I met you on the train to Hangzhou, and we traveled more than 2,000 kilometers together. When you insisted on sharing the fruit with me, I made up my mind to make you my friend.
Later we became brothers and sisters, and then we got together.
(Each chapter is in the format of a letter, a letter written by a man to a woman)
Purpose: recalling the past