C1503 It Was a Symbiotic Relationship

Professor Chen quickly asked, "Can you tell us why the sixth case is treating the spleen? The spleen is healthy. And it doesn't treat the other three parts of the patient. What is the theory behind this? "

Lee Yifann smiled and said," Teacher, do you know what it means to cause harm to coexistence? "

Everyone was stunned at the same time. Professor Chen frowned and said