<http://schema.org/description>
"\u770B\u5B8C\u4E86\u56DB\u5DDD\uFF0C\u5C45\u7136\u6709\u79CD\u975E\u5E38\u5931\u843D\u7684\u611F\u89C9"^^<http://www.w3.org/2001/XMLSchema#string>
<https://catfan.me/Shinya/p227247>