ut twenty years old, almost the same age as Ou Yan."I heard you returned to the Yan Gang, and I came here as soon as possible. I'd like to ask for your help," Fei Long said, pausing for a moment befor...ing on his phone for a long time, and finally typed: "Teacher, have you seen the medical records I'm foolish, I couldn't come up with a better solution, and I'm bothering you with such a trivial matte...