<http://schema.org/headline>
"\u4E2D\u56FD\u4EBA\u4E0E\u7F8E\u56FD\u4EBA\u4E0D\u540C\u7684\u4EA4\u53CB\u89C2"^^<http://www.w3.org/2001/XMLSchema#string>
<http://cn.wsj.com/gb/20121130/MSH072737.asp?source=channel>