They're handy for balancing a checkbook, setting up a monthly budget, and estimating and controlling project schedules.

使用它们可以方便地对账、设置每个月的预算，评估和控制项目进度。

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Forget the important things: we can't even get it right when estimating the cost of a building-witness the massively over-budget Sydney Opera House or the new Wembley Stadium.

他们忘记了一些重要的事情：我们甚至不能准确预算一栋建筑的花费——悉尼歌剧院或是新温布莱体育场的大量超支就是这方面的例子。

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Project cost Management includes the processes involved in planning, estimating, budgeting, and controlling costs so that the project can be completed within the approved budget.

项目成本管理包括与成本计划、成本估算、成本预算、成本控制相关的过程，用以确保项目能在核准预算内完成。

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