If you review behind closed doors, the training class will give you a certain promotion, which may come from psychology.
I've experienced it myself. From 10 to 14, I took four national exams and four provincial exams, and got four interviews (1 provincial exam and three national exams) and went ashore this year.
I haven't attended a class before, but I attended one before the interview this year.
It still works.
First, by comparing with others in the class, I know that others are weak in training classes, which greatly enhances my self-confidence. I always thought that I would be defeated by inexplicable details if I didn't attend the interview class. The fact is that there are such small details, but more importantly, I think I can definitely crush the other two in this interview, and I am the third winner.
Secondly, by learning to communicate with teachers and other candidates, I have also been properly improved, although I think this cost performance is too low afterwards. . . Compare the tuition fees of Aogui. Of course, I may have interviewed myself three times, so I already know a lot. If you attend the interview for the first time, you can still improve a lot by attending the training class.
In addition, the training courses are similar, and you can choose according to your actual situation (money and time).