<http://schema.org/description>
"\u4F53\u68C0\u53F0\u9636\u6D4B\u9A8C\u7684\u65F6\u5019\u5BF9\u9762\u7684\u59B9\u5B50\u9886\u53E3\u597D\u5927(*\uFFE3\u25BD\uFFE3)y"^^<http://www.w3.org/2001/XMLSchema#string>
<https://catfan.me/koyomi/p238365>