Track the effectiveness of your estimates by measuring them against the actual delivery; then, use this actual information when forming new estimates.
通过将其与实际的交付进行比较，从而跟踪评估的有效性；然后在进行新的评估时运用这个实际信息。
2
Well-governed software delivery organizations and delivery programs do track their projects in this way, and they understand how to handle varying degrees of risk.
治理有道的软件交付组织和交付程序以此方式跟踪它们的项目，并且它们了解如何处理不同程度的风险。
3
A critical element in the overall quality of a solution is the ability to track the requirement through all stages of the development and delivery process.