But at the same time,Admiral Mullen, who is Chairman of the Joint Chiefs of Staff, expressed confidence that with a solid Afghan partner, an increase in U.S.forces can bring a measure of security and stability to Afghanistan within a few years, as the 2007/2008 "surge" helped provide an opportunity for Iraq to move forward in a more secure environment.

VOA: standard.2009.11.04

But, just to be sure, not to be sure, but just to increase my confidence, I'm going to just run it again.

所以说它是对的是很有道理的，但是，确定一下，但是为了提高我们的自信，我要再运行一次。

麻省理工公开课 - 计算机科学及编程导论课程节选

But, just to be sure, not to be sure, but just to increase my confidence, I'm going to just run it again.

所以说它是对的是很有道理的，但是，确定一下，但是为了提高我们的自信，我要再运行一次。

麻省理工公开课 - 计算机科学及编程导论课程节选