<http://schema.org/description>
"\u5728\u4EA4\u5F80\u7684\u5F00\u59CB~\u771F\u7684\u4F1A\u975E\u5E38\u7684\u751C\u871C~~~"^^<http://www.w3.org/2001/XMLSchema#string>
<https://catfan.me/jieerliansan/p147502>