<http://schema.org/keywords>
"Facebook Notes, facebook\u8425\u9500\u6280\u5DE7, Facebook\u8425\u9500\u63A8\u5E7F"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.guxiaobei.com/tag/facebook%e8%90%a5%e9%94%80%e6%8e%a8%e5%b9%bf>