There are many online education apps, including excellent courses, Xue Tong, Tencent Classroom and homework help. Head 1 Yes 1 Good counseling, great, and serious study will definitely have an effect. If you want to establish your own brand building system, the cost is high and the risk is high. It is best to cooperate with a third-party service company.

Short books are the best in this respect. Short books provide professional technical and marketing guidance, and build their own one-stop platform for teaching, practice, testing, evaluation and examination in 3 minutes. I'm using it now. Its functions are comprehensive, and its cost is far lower than the traditional "online school" and "software" modes.