<http://schema.org/description>
"\u7ED9\u5019\u9009\u4EBA\u505A\u4E86\u534A\u5929\u7684\u7B80\u5386\uFF0C\u8170\u75BC"^^<http://www.w3.org/2001/XMLSchema#string>
<https://catfan.me/zongzijiangjun/p218878>