<http://schema.org/description>
"\u4E0D\u5F97\u4E0D\u8BF4\u6211\u6709\u6F5C\u5728\u7684\u8D77\u4F0F\u8F83\u5927\u7684\u81EA\u6B8B\u81EA\u8D31\u5FC3\u7406\u554A"^^<http://www.w3.org/2001/XMLSchema#string>
<https://catfan.me/liuaiez8/p139468>