<http://schema.org/headline>
"\u7F8E\u80A1\u5F00\u76D8\u8D70\u4F4E\uFF0C\u672A\u80FD\u5EF6\u7EED\u5468\u4E00\u6DA8\u52BF "^^<http://www.w3.org/2001/XMLSchema#string>
<http://cn.wsj.com/gb/20121120/BUSc-008440.asp?source=UpFeature>