"Do you know, my son has a congenital heart defect... I've long wanted to give him a new heart, but unfortunately, panda blood is very difficult to match with other hearts!",Clearly, three-and-a-half-year-old Nini doesn't know what the heart means.,Then, Gu Nanfei's face turned ferocious and he said to Dr. Li, "Doctor Li, get started, dig out the heart!"。