"Comrade Li Yuan, please explain the mechanism behind women's menstruation.",Saying that, he even glanced smugly at the female doctor beside him. Though he couldn't afford to provoke her, there really weren't any better deals outside right now!,In a nutshell, if Li Yuan could stock this bare apartment with supplies, he would be able to live comfortably for several years and even help feed the Qinjiacun families...。