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 doc and trademark(s) contained herein are safeguarded by law. This representation of RAND intellectual home is delivered for noncommercial use only. Unauthorized putting up of this publication on the internet is prohibited; linking straight to this merchandise webpage is encouraged. And several authors and journal... https://louisnoqrr.bloggactif.com/37301906/about-la-pura