警方称上述举措的目的之一，是为奥运创造安全和谐的治安环境。
The Police say one of the goals of this measure is to create a secure and harmonious public security environment for the Olympics.
他们得出的结论是，在彼得雷乌斯将军部署重兵的地方，增兵计划改善了社会和治安环境。
They concluded that the surge had improved security and economic conditions in areas where General Petraeus had concentrated his forces.
互不了解的邻居们会聚集起来并为找到一个新学校或更好的治安环境而共同努力。
Neighbours who have no reason to know each other will need to convene and collaborate in order to get a new school or better policing.
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