知史明智-探索历史的真相和当下事件本质，以洞悉过去与现在的联系，启迪智慧和见识。涵盖中国近代史，文化大革命，人物涉及毛泽东、邓小平、华国锋、刘伯承、林彪、周恩来、陈独秀、孙中山、蒋介石。有众多大V观点：王局、王志安、柴静、崔永元、劳东燕，涉及网号网文、历史垃圾时间、六四事件、天安门事件、404文档等 Exploring the truths of history and the essence of current events to understand the connections between the past and present

An AI-maintained knowledge base that maps economics research ideas to the best empirical datasets and executable acquisition routes.

This project built a Selenium-based web scraper to scrape Chinesse listed companies' annual reports on cninfo.com. The codes are intended to download pdf files and compile them. Then analyze the content in MD&A part to extract and count the frequency of digital-transformation-related keywords.