"Not a doctor."
A flicker of disdain crossed Smith’s eyes, though he was the type of person who could hide it well. He gave a slight smile. "Forgive me, Student Chen, but even concerning matters of dermatology, if you haven't undergone systematic medical training and do not hold the relevant certifications, you are not permitted to treat patients. Does your family practice traditional Chinese medicine? As far as I know, many people in China who claim to be practitioners of traditional medicine lack medical licenses. It’s highly irregular."
Oh, highly irregular.
Chapter 620