His book provides a variety of training methods and reading skills, and cites a large number of examples to guide you to improve your reading ability and speed. As the saying goes, it is up to the individual to lead the master into the door. The key to being a good tutor is to rely on your own efforts. There is something in the detailed book at the beginning, but on the whole, those methods are quite practical and worth learning, and it is also fun to practice when you have nothing to do.