> For the complete documentation index, see [llms.txt](https://yenkang-2.gitbook.io/theory-of-mass-communications/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://yenkang-2.gitbook.io/theory-of-mass-communications/master.md).

# Introduction

## [豆瓣連接](https://read.douban.com/ebook/16599145/)

![](/files/-LcGjWKbeeovujksDE4G)