It is these objective predictions that are essential in managing customer expectations, and in being able to estimate, request, and defend additional schedule or resources accurately.
这些客观的预测是管理用户期望，及能够精确地估算、请求，并防御额外的进度或资源所必要的。
Customer satisfaction depends so much on managing expectations.
顾客的满意度在很大程度上取决于对他们期望的管理。
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