Not bad. According to the query of Cai Sheng Learning Open Network, the advantage of Cai Sheng Learning Network lies in its complete categories, covering video lessons, real questions, e-books and other learning materials, and its rich experience in running schools. The computer grade examination of Cai Sheng Learning Network is taught by several teachers, and different teachers listen to different subjects, which is not bad. Cai Sheng Learning Network is the main business station of education in Cai Sheng, providing learning products and materials such as economics, securities, Cai Sheng supplementary books and Cai Sheng multimedia e-books.