<http://schema.org/description>
"\u5514\u3002\u3002\u65B0\u624B\u4E70\u94A2\u7434\u7684\u8BDD\u4E70\u4EC0\u4E48\u724C\u5B50\u6BD4\u8F83\u597D\u5462\u3002\u3002"^^<http://www.w3.org/2001/XMLSchema#string>
<https://catfan.me/promless/p276664>