<http://schema.org/description>
"\u679C\u7136\u662F\u5F00\u4E862\u6B65\u9A8C\u8BC1\u540E\uFF0C\u4E0D\u80FD\u7528\u90AE\u7BB1\u5BC6\u7801\u76F4\u63A5\u767B\u5F55Gtalk\u3002"^^<http://www.w3.org/2001/XMLSchema#string>
<https://catfan.me/timemachine/p114715>