<http://schema.org/description>
"\u5922\u5230\u52D2\u4EE5\u524D\uFF0C\u9084\u5728\u6545\u610F\u6C23\u5225\u4EBA\uFF0C\u7279\u5225\u7684\u58DE\uFF0C\u5167\u5FC3\u5341\u5206\u4E0D\u5B89\u3002"^^<http://www.w3.org/2001/XMLSchema#string>
<https://catfan.me/eiffel_/p165683>