<http://schema.org/headline>
"\u4E2D\u5174\u4E0E\u534E\u4E3A\u7ADE\u76F8\u63A8\u51FA\u9AD8\u914D\u667A\u80FD\u624B\u673A"^^<http://www.w3.org/2001/XMLSchema#string>
<http://cn.wsj.com/gb/20130227/tec170549.asp?source=Billingual>