This is an important lesson to learn.

这是我们需要学的很重要的一堂课。

youdao

This is a hard life lesson to learn, but it may be the most important of all: Life can change in an instant.

这些人生课很难学习，但却是至关重要的：生活可以瞬间万变。

youdao

However, this experience made me learn a lesson and it will definitely remind me on how important our eyes are.

然后，这个经历告诉我并且明确地提醒我，我们的眼睛是多重要。

youdao

And this is a hugely important lesson to learn.

这么问自己，这是不是一个隐藏的。

麻省理工公开课 - 计算机科学及编程导论课程节选

This was another very important lesson for me to learn.

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Perhaps this lesson eluded Gates, but most important thing Scouts learn is how to lead, and how to follow, people who are different from them.

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