If it is suggested to buy a super class, it will take time to write a lot of pedagogy notes.
Most of the contents in Chaoge notes are taught by Chaoge's online class, which is a perfect match with Chaoge's online class, especially Yan Yan and Yi Yi. If it is white, it is very suitable for this set of notes.
What I like most about this set of notes is that every chapter and section of Xueba notes has a mind map in front of it, which is clear at a glance. The knowledge points are arranged in a table, which is clear and organized, so you don't need to take notes directly by yourself.
Or it can be printed electronically, almost dozens. Start (a disease)