Zhihu is a popular Chinese question-and-answer platform where users can ask questions, share knowledge, and engage in discussions on various topics.
知乎 (Zhīhū) - Zhihu cheat sheet for homework
A Chinese microblogging platform similar to Twitter.
百度知道 (Bǎidù Zhīdào) - Baidu Zhidao: A Chinese question-and-answer website similar to Yahoo Answers.
Quora: An international question-and-answer platform that allows users to ask questions and get answers from experts.