By the time you learn one program, it's outdated.

当你学会一个程序的时候，它已经过时了。

youdao

We have to learn one of Hamlet's speeches for school tomorrow.

我们明天上学得背诵一段哈姆雷特的台词。

《牛津词典》

On the first day of school, Socrates told his students, "Today, we'll only learn one thing. That is to swing your arm forward and backward."

在开学的第一天，苏格拉底告诉他的学生：“今天，我们只学一件事情。那就是前后摆动你的手臂。”

youdao

Yet for all his influence, millions of Americans today remember him for just one song, which children learn in school.

VOA: special.2009.07.27

They're required, every year, to go into the business, into one part of the business for a whole day and learn everything there is to know about that.

他们每年必须抽出一天仔细研究公司情况，公司某一方面的情况,了解所有相关信息。

斯坦福公开课 - 戴尔CEO-Michael.Dell谈创业和发展课程节选

And one of the things that you learn early when you're studying the law, is that

你在法学院早早就学到的一点就是，

抄袭是很严重的问题 - SpeakingMax英语口语达人

To those who despair of the success of sceptical lobbying, the message is clear: learn one of the languages of Brazil, China or India.

BBC: Across the sceptical divide: Language and lobbying

If you learn one unique thing about each person you meet, you can not only remember them better, but also start a conversation that leads you to that next level of connection.

FORBES: The Social Media Fallacy: Real Leadership Means Face-to-Face, Not Facebook

If you can tell from what your app needs to do that you will need to go native, bite the bullet and learn one of the native tongues (Objective C for iOS or Java for Android.) Bell strongly advises that if you go the mobile route, pick iOS or Android and build for that first.

FORBES: General Assembly: Learn To Talk Like A Mobile App Genius In Just One Hour (Or Less)