Zhihu, a high-quality Q&A community on the Chinese Internet and an original content platform where creators gather, was officially launched in January 2011 with the brand mission of "allowing people to better share knowledge, experience and insights, and find their own answers." Zhihu relies on seriousness and professionalism. You can export the results of the conversation to png or pdf, or share them directly through links. Of course, these small changes are nothing. What I find really useful is the last item on the list of features - calling.
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