(1) I'm not talking nonsense. You ask me a question, don't ask how difficult it is. 10 seconds to react immediately and give you a satisfactory answer in 3 minutes.

Knowing that a student had an affair in puppy love, he said, "I've been doing well recently! However, we must increase our strength to improve our charm! "

Ps: I am still respected when I go out in xu teacher. Everyone calls me "Master Xu" ~