He recalls a major lesson learned from his own employee.

他想起从他的员工身上学到的重要一课。

youdao

The first lesson learned is that lessons can be learned.

学到的第一课是，教训是可以吸取的。

youdao

The lesson learned is, "Say what you mean."

这给我们的教训就是，你怎么想，就应该怎么说。

youdao

On Tuesday,Geithner told Congress that the government must have the authority to seize non-bank entities, arguing that massive destabilizing dangers can come from financial institutions - a lesson learned from the rescue of American International Group,or AIG, a giant insurer that received a $180 billion taxpayer bailout.

VOA: standard.2009.03.25

The conclusion of this parable seems so violent perhaps because the lesson to be learned from the parable is so uncertain.

这个故事的结尾看起来太残酷了,可能因为这个寓言想要教给我们的东西太不确定。

耶鲁公开课 - 弥尔顿课程节选

And frankly, even I never quite learned that lesson.

坦白说，即使是我也从没完全记住教训。

哈佛公开课 - 计算机科学课程节选

It was a hard lesson learned, but here it is: Knowledge is not power.

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Lesson learned, says Adam Sohn, a Microsoft executive involved with both Passport and .

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Lesson learned for all parties involved passwords are changed, Ipad put away, and life moves on.

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