U.S.officials say they are in a better position to mediate and press for the resolution of difficult issues while the United States has a sizable military force in Iraq.

VOA: standard.2009.12.12

So it's quite difficult in the real world for candidates to position themselves.

所以在现实生活中候选人,选择位置是很难的

耶鲁公开课 - 博弈论课程节选

Smith says Turkey's position is difficult to sustain.

VOA: standard.2010.03.19

But by continuously linking this in a public way and in taking a firm position on it, they make it much more difficult for him to move away from sites in Poland and the Czech Republic,".

VOA: standard.2009.07.15

U.S.officials say they are in a better position to mediate and press for the resolution of difficult issues, and to ease tensions between the Iraqi Army and the Kurdish Peshmerga militia, while the United States has a sizable military force in Iraq.

VOA: standard.2009.12.11