<http://schema.org/description>
"\u8D70\u5728\u516D\u6708\u672B\u7684\u591C\u665A\uFF0C\u6211\u89C9\u5F97\u5BD2\u51B7\u3002"^^<http://www.w3.org/2001/XMLSchema#string>
<https://catfan.me/qiyuan/p283655>