that the plan might fail.Estimating the time should be almost up, Cheng Ru'er was getting a little impatient, so she simply gave He Yue a call.The phone was answered quickly. Suppressing her own anxie...Knock, knock. 。Three knocks on the door broke the silence. Yesterday afternoon, Hualing brought Mengbao to the address Cheng Keqin had given them. She was a little nervous as she knocked. 。The one who opened the door was an older person, seemingly the housekeeper of the family. 。"Hello, I'm Cheng Keixin. I was introduced byhe room next to the lab was opened.For the convenience of learning and medical improvement, each examination room at Xuanqing University Medical College Affiliated Hospital is equipped with an observa...