<http://schema.org/description>
"\u6628\u5929\u4ECA\u5929\u660E\u5929\u90FD\u6709\u5F53\u5929\u5185\u8981\u5B8C\u6210\u7684\u4EFB\u52A1\u2026"^^<http://www.w3.org/2001/XMLSchema#string>
<https://catfan.me/yqjun/p294290>