<http://schema.org/description>
"\u8BA9\u8863\u670D\u9ECF\u5728\u76AE\u80A4\u4E0A\u7684\u662F\u590F\u5929\uFF0C\u8BA9\u590F\u5929\u957F\u6EE1\u662F\u601D\u5FF5\u7684\u662F\u4F60\u3002"^^<http://www.w3.org/2001/XMLSchema#string>
<https://catfan.me/xu/p179113>