<http://schema.org/description>
"\u771F\u7684\u662F\u597D\u4E45\u6CA1\u6765\u8FD9\u4E86\u3002\u3002\u3002\u521A\u521A\u8FD8\u767B\u9646\u9519\u8D26\u53F7\u4E86\u56E7"^^<http://www.w3.org/2001/XMLSchema#string>
<https://catfan.me/wangyu28/p49405>