1. Question recommendation mechanism: Zhihu's recommendation is based on the dynamics of people concerned by users rather than the topic itself;

2. Problem hydration: There are more and more problems in Zhihu's emotional life, but there are fewer and fewer serious problems;

3. Quality of answers: Some of Zhihu's answers are long, less useful, more personal experiences and less relevant arguments;

4. Name ID effect: Zhihu's name ID gets too much attention, which leads to the illusion of supporting false high;

5.Quora answers multi-tendency analysis, and Zhihu answers multi-tendency generalization;

6.Quora's answer is more serious, and Zhihu's answer is more casual;

7.Quora's well-thought-out questions are more likely to attract answers, and almost no one answers them casually, while the questions on Zhihu are more casual;

8.Quora's vote is true, but Zhihu's vote is not true enough, and many high-vote answers are unreliable.

Zhihu is an online Q&A community, connecting users from all walks of life. Users share each other's knowledge, experience and opinions, and provide various information for the Chinese Internet.

Quora is a question-and-answer SNS website, which was founded in June 2009 by former Facebook employees CharlieCheever and AdamD'Angelo.