知乎，让每一次点击都充满意义 —— 欢迎来到知乎，发现问题背后的世界。 This document and trademark(s) contained herein are safeguarded by law. This representation of RAND intellectual home is delivered for noncommercial use only. Unauthorized posting of the publication on the web is prohibited; linking directly to this products website page is encouraged. In line with an OpenAI blog publish, https://davyv639cgi0.blogvivi.com/profile