In Pakistan, the drones are widely seen as a tool with which the us has instigated an unnecessary war between the state and militants who were previously focused on fighting in Afghanistan.
在巴基斯坦，无人机被广泛用于这场以前仅局限于阿富汗，如今却被美国煽动成国家与武装分子之间的毫无必要的战争中。
Having the courage to say "no" to requests that are inappropriate or unnecessary could be your most effective time management tool!
对不是很合适或者不是必需的要求有勇气去说“不”现实上是你最有效的时间管理东西。
Once a child of the recession and a tool to reduce production workers, downsizing now occurs primarily to eliminate unnecessary layers or non-value added positions throughout an organization.
减员是大萧条的产物并曾被作为减少生产工人的工具，但现在主要都用于削减组织中那些不必要的层次或不增值的职务。
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