President Obama says he never had any doubts that closing Guantanamo would be difficult and complex.

VOA: standard.2009.05.21

Now, if we have any doubts that On the Road is mythic in itself, I just want to show you quickly two things. In 2007, On the Road had its fiftieth anniversary of publication.

现在如果还有对这本小说虚构性有所疑问，我想要迅速地让向你们展示两件事情，2007年是《在路上》出版的十五周年。

耶鲁公开课 - 1945年后的美国小说课程节选

Mr.Major says it is imperative for the inquiry to determine whether Blair's cabinet knew that there were serious doubts about whether there actually were any weapons of mass destruction in the weeks and months ahead of the invasion.

VOA: standard.2010.01.02