<http://schema.org/description>
"\u4F60\u59B9\u554A\u5DF2\u7ECF\u5230\u505A\u5669\u68A6\u7684\u7A0B\u5EA6\u4E86\u597D\u53EF\u6015"^^<http://www.w3.org/2001/XMLSchema#string>
<https://catfan.me/mu/p124484>