I think the classics are formal and the environment is OK, but if the teacher is particularly famous, there will be more people. . However, if the landlord is very attentive and has strong control, it will not have much impact. No matter where you have class, you should sit in the front. . . Isn't Huaying talking about something very tall? Will it be too difficult? The degree of reporting is more suitable for the public. . . Upstairs are Huaying employees. Of course Huaying is fine. Think objectively upstairs. . . Where to go, you will gain a lot by listening carefully. . .