<http://schema.org/description>
"\u65E0\u7528\u529F\u505A\u5230\u4E00\u5B9A\u7684\u91CF\u7684\u65F6\u5019~\u5C31\u4F1A\u53D8\u6210\u6709\u7528\u529F\u4E86~~"^^<http://www.w3.org/2001/XMLSchema#string>
<https://catfan.me/jieerliansan/p170567>