Yet you cannot learn your lesson! My dear boy, you are deceiving yourself.

但你却学不会功课！我亲爱的孩子，你在欺骗自己。

youdao

If you fail, don't forget to learn your lesson.

如果你失败了，千万别忘了汲取教训。

youdao

If you fail, don't forget to learn your lesson, for everyone may fail prior to success.

如果你失败了，千万别忘了汲取教训，因为每个人在成功之前都可能失败。

youdao

All this has helped Mr. Brokamp learn a key lesson, he says: Improving your productivity isn't about searching for a better app or finding the right software.

WSJ: How Productivity Tools Can Waste Your Time

Science editor Alan Boyle's blog: Researcher Jared Diamond, the author of "The World Until Yesterday, " says Congress could learn a lesson from tribal societies: Listen to your elders.

MSN: Massive meteorite crater found in Canadian Arctic

So, kiddies, you should learn this lesson early: those that will influence your professional futures are coming to peek at your online footprint, so set your privacy settings accordingly.

FORBES: What College Admission Officers Don't Like Seeing On Facebook: Vulgarity, Drinking Photos & 'Illegal Activities'