The dual purpose of a security guard is prevention and protection.

保安的两个作用是预防和保护。

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Loss prevention officers guard against fraud, theft, fire, weather damage, and other causes of property loss.

防损官员谨防欺诈，偷窃，火灾，天气灾害和其他引起财产损失的原因。

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This paper analyzes cluster risk prevention from the leaning organization, and hopes it will be benefit to cluster risk guard.

试图从学习型组织的视角对集群风险防范进行分析，希望对集群的风险防范有所借鉴。

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National Guard chaplains used a curriculum called PREP, or Prevention and Relationship Enhancement Program, developed at the University of Denver.

NPR: War on Terrorism Takes Toll on Military Families