ng being driven out by Li Ruonan and wandering the streets, looking regretful and remorseful."I'm sorry, ma'am. Although Li Ruman is poor and in desperate need of this money, Chen Pingan is my buddy.... find the cause of the illness.If the cause of the illness cannot be found, it cannot be treated.Only pain relievers can be given to the old lady to alleviate her pain."Doctor, what's wrong with my he...