<http://schema.org/description>
"\u4E3A\u4EC0\u4E48\u660E\u5929\u6B63\u6708\u5341\u4E94\u4E5F\u8981\u665A\u81EA\u4E60\u554A\u6211\u8981\u53BB\u770B\u706F\u3012\u25BD\u3012"^^<http://www.w3.org/2001/XMLSchema#string>
<https://catfan.me/xixi/p45176>