<http://schema.org/description>
"\u70ED\u5230\u56F0\u5230\u4E0D\u8981\u4E0D\u8981\u7684\uFF0C\u5DEE\u70B9\u5728\u516C\u8F66\u4E0A\u7761\u7740\u4E86&#128164;"^^<http://www.w3.org/2001/XMLSchema#string>
<https://catfan.me/taozi/p320704>