其中一个最大的困难是警察们因为感觉社会大众会躲避他们，所以他们会孤立自己，只和自己内部的人员交往。
One of the biggest difficulties is that often police become isolated, only socializing with each other because they feel that the public will avoid them.
通过建立内部和外部恢复期，为自己变强提供动力。
Give yourself the resources to be tough by creating internal and external recovery periods.
内部和外部系统甚至有它们自己的操作——管理有其自身的决策周期，客户有其自己的操作环境——由各自的信息流描述。
Internal and external systems even have their own operations - management has their own decision cycle and customers have their own operating environment - represented by their own information flows.
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