Song Qiao Ying, sitting on the sofa, remembered that every mid-month, a driver would deliver rice, oil and salt to their doorstep.From the surveillance perspective, the truck door opened, and several...ers one after another, Ou Yan looked at him with a hint of admiration in her eyes.Not long after, Si Yechen let her take a look at the screen. Ou Yan saw the last formula and suddenly realized a new w...