lessons learned

基本解释

They might be annoying or frustrating at times, but in the long run, the lessons learned from them can help you become better at what you do.
有时候这些问题可能会让您烦心或感到挫败，但就长远来看，从中得到的经验教训可帮助您更好地进行自己的工作。
We will be coordinated and accountable in this work and take every opportunity to capture knowledge and lessons learned in improving health programmes.
我们将协调和负责地开展这项工作并利用一切机会吸取改进卫生规划方面的知识和经验教训。
Each time you complete or update an estimate and upon completion of a project, you should document the information that proved pertinent and record lessons learned.
每一次您完成或者升级一个评估和项目的完成，都应当记录那些相关的信息和得到的经验教训。

And for a community of practitioners to benefit from the lessons learned from other people so that we can do better the next time around, collectively as a field, and individually as organizations and practitioners."
So the lessons to be learned, after years of watching this, is that the norm is change.
因此在观察许多年后，我发现了经验，改变是一种常态。
普林斯顿公开课 - 领导能力简介课程节选
Admiral Mullen says while comparisons between Iraq and Afghanistan are not perfect, some lessons learned in Iraq in recent years can apply.

Document this step so the lessons learned and the safeguards setup can always go beyond you.
FORBES: Good Employees Make Mistakes. Great Leaders Allow Them To.