<http://schema.org/headline>
"\u7F8E\u80A1\u5F00\u76D8\u8D70\u4F4E\uFF0C\u5EF6\u7EED\u5468\u4E09\u5927\u5E45\u8DCC\u52BF "^^<http://www.w3.org/2001/XMLSchema#string>
<http://chinese.wsj.com/gb/20130221/BUSc-009508.asp?source=UpFeature>