Only lessons learned, reduce mistakes, in order to grasp the more profit opportunities!

唯有总结经验教训，减少错误的发生，才能把握更多获利机会！

youdao

Both lessons were vital, but they have only been half-learned.

ECONOMIST: Whatever happened?

These lessons should be learned and applied moving forward not only to Turkey, but to a whole host of regimes and sub-national groups in the region and throughout the world.

CENTERFORSECURITYPOLICY: How Turkey was lost

As the nation rouses itself to address the lessons learned from last week's blackout, it better focus not only on how to avoid a repetition but also on a possibly vastly more serious blackout next time.

CENTERFORSECURITYPOLICY: The Next Blackout