<http://schema.org/description>
"\u679C\u7136\u4E0D\u670D\u4ECE\u5B64\u72EC\u7EC8\u8001\u7684\u547D\u8FD0\u662F\u4E0D\u73B0\u5B9E\u7684\u554A\u3002"^^<http://www.w3.org/2001/XMLSchema#string>
<https://catfan.me/promless/p270752>