Chapter 91: Papermaking Ice-Making Method

."Alas!" Zhao Fugui sighed, "The Wang brothers are refugees. A few years ago, their family was too poor to survive. This Wang Lao San is quite righteous; he volunteered to sell himself into slavery in...Yuyao repeated those words, but she didn't understand them at all.Yang Lin smiled wryly: "This is a very valuable mineral, but it's useless to us!"WhyValuable, but uselessLi Yuxiang can't understand."...