youdao

The lessons learned at the cost of blood helped to sober us.

血的教训使我们的头脑清醒了。

《新英汉大辞典》

Just ask, because next is more about the lessons learned and practices.

问就可以了，因为下面我要讲的更多是，我学到的经验和领导力的实践。

youdao

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."

VOA: special.2010.09.20

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

(Speech) Ping said one of the lessons learned is that the world is paying for "the irresponsible and lax behavior" of large financial companies whose philosophy was to make short-term profits.

VOA: standard.2009.11.08

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.

They consider the lessons learned and make the necessary improvements to ride one more time.

FORBES: How Business Champions Overcome Adversity: 5 Powerful Steps

Having worked through this move for several years now, what are some of the lessons learned?

FORBES: Why OpenStreetMap Dropped the Creative Commons License