1, pay attention to the information analysis of the East Olympic Games declassified examination in the textbook, and list the changes of certified public accountants in 2022, while Cai Zhong only has the analysis of the examination information of basic questions.

2. Every knowledge point in Dongao is equipped with a corresponding QR code. You can watch the explanation of knowledge points through scanning, and the supporting examples teach you to apply knowledge points to problems, while Cai Zhong only has answers and analysis, and no teacher teaches him.