Perhaps the most important lesson to be learned is that you simply cannot please everyone.

或许应吸取的最重要的教训是你不可能取悦每一个人。

《柯林斯英汉双解大词典》

The most important lesson you should have learned so far is that TDD is simple.

迄今为止，你应该明白一条最重要的道理就是TDD很简单。

youdao

That's the most important lesson I've learned, and all I have to share with you today.

这就是我学到的最重要的经验教训，也是我今天想要和你们分享的全部。

youdao

And the most important lesson I learned as an AmeriCorps member was how to leverage resources and individuals to do just that.

WHITEHOUSE: Building Strong and Trusting Relationships

The most important lesson I learned from a mentor was the best things happen when you make people who do different things talk to each other.

WSJ: Music, the Brain, Medicine and Wellness | With Music on Their Mind | By Stuart Isacoff

Mr. Graff says the most important lesson he has learned is how to be flexible, including allowing employees to work unconventional hours and to check in from home or a coffee shop.

WSJ: Reverse Mentoring Cracks Workplace