<http://schema.org/description>
"\u6362\u4E86\u4E2A\u4E3B\u9898\uFF0C\u5E94\u8BE5\u8FD8\u4E0D\u9519=v=\u3002\u3002\u3002\u3002"^^<http://www.w3.org/2001/XMLSchema#string>
<https://catfan.me/master_tai/p127643>