One of the main reasons people exercise is to control or reduce their weight.

VOA: special.2010.06.08

So the main business of government consists in knowing how to control the elites because they are always a potential source of conflict and ambition.

因此统治的第一要务在于,懂得如何控制精英人物因为,他们往往是冲突和野心的潜在来源。

耶鲁公开课 - 政治哲学导论课程节选

Pakistan's military has achieved a measure of success against Taliban militants in the Swat Valley and taken control of its main town,Mingora.

VOA: standard.2009.06.18