最初的计划是在这个项目上投入三个月的时间。

The original intention was to devote three months to the project.

《牛津词典》

阶段性的计划交付 作为相关项目集合的计划（Program），应该随时间增量地进行。

Staged Program Delivery Programs, which are collections of related projects, should be rolled out in increments over time.

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现在，考虑项目经理如何设置项目计划中的任务持续时间。

Now, consider how a project manager sets the duration of tasks in a project plan.

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