虽然测试工程师不能估算总的项目成本，但是他们的确可以评估对成本的测试贡献，并且提出测试风险和可行性。

While test engineers cannot estimate total project cost, they can certainly estimate testing contribution to cost, and suggest test risks and feasibility.

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在项目开发过程中的某一特定阶段的成本估算就是造价工程师在现有数据基础上对未来成本的预测。

A cost estimate at a given stage of project development represents a prediction provided by the cost engineer or estimator on the basis of available data.

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