<http://schema.org/headline>
"\u4E2D\u56FD\u6E14\u8239\u9891\u9891\u5377\u5165\u4E89\u7AEF\u5F15\u62C5\u5FE7"^^<http://www.w3.org/2001/XMLSchema#string>
<http://cn.wsj.com/gb/20121228/bch103058.asp?source=Billingual>