<http://schema.org/description>
"\u55EF~~~\u55B5\u53CB\u4F1A\u628A\u56DE\u590D\u9AD8\u7684\u5FAE\u535A\u653E\u5728\u9996\u9875 "^^<http://www.w3.org/2001/XMLSchema#string>
<https://catfan.me/halai/p14150>