<http://schema.org/description>
"\u6709\u9057\u61BE\u4E0D\u4E00\u5B9A\u662F\u574F\u4E8B \u5B83\u4F1A\u8BA9\u4F60\u65F6\u523B\u60E6\u8BB0\u7740 \u5E76\u73CD\u60DC\u4E0B\u4E00\u6B21\u7684\u7CBE\u5F69."^^<http://www.w3.org/2001/XMLSchema#string>
<https://catfan.me/ivy77/p146225>