If you want to be a Junior Ranger, you need to learn about the natural and cultural history, and make a promise to be a national park protector.

如果你想成为一名初级护林员，你需要了解自然和文化历史，并承诺成为一名国家公园保护者。

youdao

And you need to learn it.

你要学会区别两者。

youdao

Why do you need to learn to share life?

为什么你需要学会分享生活？

youdao

"You do not need to be a rocket scientist to learn this."

VOA: special.2010.06.27

It's very exciting, but if you think you know everything you don't need to learn, you don't belong to us. I always need to learn.

这很令人兴奋，但如果你认为,你什么知道，你不需要学习了，那么请你退出百度，因为人总是在学习。

斯坦福公开课 - 百度CEO李彦宏演讲：全球最大搜索引擎的发展课程节选

If they're not obvious to you what they're called, you need to just study them and learn them.

如果它们不想它们的名字那么显而易见，你们需要学习它们记住它们。

麻省理工公开课 - 化学原理课程节选

You need to learn them if you do not know what they are.

FORBES: Annual Performance Review: Time Suck or Amazing Opportunity

In the end, we found that there are only a few tricks you need to learn to do this job.

NPR: Hillary Clinton Seeks Rebound in New Hampshire

We can continue to trade within a range, that is why you need to learn how to trade the markets.

FORBES: The Trend Is Your Friend If You're Bullish