<http://schema.org/description>
"\u91CD\u5E86\u9635\u96E8\uFF0C\u73B0\u5728\u7A97\u5916\u6253\u96F7\u53C8\u4E0B\u96E8\u7684\u3002"^^<http://www.w3.org/2001/XMLSchema#string>
<https://catfan.me/lihao/p12574>