另外一些观察者们提到了20世纪90年代在美国的带领下对索马里进行的一次灾难性的军事干预，他们还提到了目前正在阿富汗进行着的难以为继的战事，他们认为美军很难在当地深入民心。
Others cite the disastrous U.S.-led intervention in Somalia in the early 1990s and the ongoing difficulties of fostering civil society in Afghanistan.
对于美国选民和世界各地关注大选的观察者而言，现在所缺乏的是一场政策辩论。
For what America's voters, and the world's fascinated spectators, have not had so far is much of a policy debate.
为了得到男性排尿习惯的初步信息，研究者在美国大学公共厕所里安排了一个观察者。
To gather some preliminary data on men's toilet habits, a pilot study stationed an observer in a public toilet at a US university.
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