Of course, it's just much more tiring than listening to the teacher. Improper methods will only get twice the result with half the effort. So be prepared psychologically; It is best to combine the two; What do you think? After teaching for so many years, teachers don't know what the key points are and how much knowledge to master. If you start from the stove alone, it's easy to leave other subjects behind. Moreover, if you want to learn something, you have to ask for information yourself. It is suggested to borrow and copy directly from the teacher. Finally, it's still that ugly sentence, self-study plus lectures is the best policy; I wish you success; Attention ~