摘要：
原题为：Assertive Obama seeks to revitalize a drifting superpower 原载于：央视网，01-2602015 By Zhao Minghao, research fellow with the Charhar Institute, a Chinese internati...

原文链接:http://www.ydyliit.com/index.php?m=content&c=index&a=show&catid=245&id=6648