The previous copy is no longer useful and I am not going to delete the chapter.
It happens to be a holiday, so I can have enough time to implement my previous ideas.
Chapters 1 and 2 don't have much to watch, they're all clips from high school.
I wrote a chapter before that I felt was reactionary. If I revise it again, I think it will be published in two days.
By the way, if you have new friends reading this, don't read the introduction. Just read the title. The introduction is for a certain friend.
Purpose: Through the connotation of essential products
