The bamboo awning window shines all night. What do you mean by looking back?

Cover the window with bamboo at night, but it means that bamboo blocks the window made of chrysanthemum, revealing the night scene, but it means that one's thoughts go back to the past, just like one sees the scenery outside through the window and remembers some things that happened before. According to relevant information, this sentence shows that a person has experienced some unpleasant things before and forgotten some things in the past. Only by forgetting the past can we create the future better.