"This is a scorching summer that has never happened in a century. Shen Xiaosi did not turn on the air conditioner. He blew the fan and thought of those old memories, the good and the bad, the things he wanted and couldn't get - in the end, they were not all reduced to clouds. If you look back, you will regret it in your life - then you can only keep moving forward."
In fact, it is a story, a story that everyone has. People are always greedy for what they can't get.