Another part of the problem of learning language is you have to figure out what the boundaries are between the words.

学习语言的另一个问题是,你必须得确定单词之间的界线是什么

耶鲁公开课 - 心理学导论课程节选

The challenges that... First of all, you got to understand that learning a language takes time.

挑战就是，首先，你必须明白学习一门语言是件耗时间的事。

学第二外语的时候 - SpeakingMax英语口语达人

So, part of what goes on when you learn, is you have to learn the language --the phonemes that your language has.

因此你在学习语言时要做的一件事情便是,你必须学习你所学语言的各种音位

耶鲁公开课 - 心理学导论课程节选

you have to learn about the different types of business that you are setting up.

你必须学习你要创办的不同的企业形式。

关于创业的全部 - SpeakingMax英语口语达人

You know, you become expert on what you are doing. You learn more things.

如果你想成为你领域里的专家，那么你必须学习更多的东西。

研究生院也在这里 - SpeakingMax英语口语达人

You have to know where the vowels are supposed to go, and that makes it harder to learn how to read, but when you have the vowel sounds it's easier and the Greeks made that contribution.

你必须知道这些元音都应该加在哪,这使的学习阅读变得更加困难,但是如果填入元音,那么就会简单点,而希腊人在这方面做出了贡献

耶鲁公开课 - 古希腊历史简介课程节选

because I'm not saying, "You need to study. You need to do this."

因为我不会说，“你必须学习。你必须做这个。”

学习靠自觉 - SpeakingMax英语口语达人

you have to learn at least one of Shakespeare's plays, I think.

你必须学习至少一部莎士比亚的戏剧，我觉得。

莎士比亚环球剧院 - SpeakingMax英语口语达人

You have to learn them one by one, but you could produce a virtual infinity of sentences.

你必须一个个的去学习这些词,但你却可以创造出实际上无限的句子

耶鲁公开课 - 心理学导论课程节选