Second Hand Knowledge

This book contains many interesting knowledge points. It is rich and comprehensive, covering astronomy, geography, human beings, Chinese culture, Chinese characteristics, human wisdom and other aspects of knowledge. The content is all about things we can understand in common language. The knowledge points may be a bit "out there", but it does not prevent the audience from mastering them. It contains a precise compilation of Chinese history and culture. The knowledge is rich and interesting, highlighting the five thousand years of Chinese cultural heritage. The contents of this book are all interesting and applicable cultural knowledge around us, which can enhance cognition and cultivate cultural perspective. There are knowledge points in it that we know, and there are also knowledge points that we don't know. It can be said that there is no originality in knowledge points, only whether they are comprehensive and practical enough. The knowledge points in it are all things I see and hear, and then I write them down and sort them out. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.