但是为什么要学习不同的文体，才能理解乔伊斯的小说呢？

But why do I have to study different styles to understand Joyce's novels?

youdao

为什么要学习一种新的绘图模型？

Why learn a new imaging model?

youdao

为什么要学习另一个解析器呢？

Why learn about another parser?

youdao

The notion of recipes, the notion of computation, why you want to do this, what you're going to learn.

秘诀和计算的一些概念啊，以及我们为什么要学这些知识，和要学习的具体内容。

麻省理工公开课 - 计算机科学及编程导论课程节选

Last time,if you remember the question that we ask, ?" the guiding question was "why positive psychology?"

还记得上节课的问题吗，最主要的问题是“为什么要学习积极心理学“

哈佛公开课 - 幸福课课程节选

But fortunately,again,this is why positive psychology as a network of scholars applying themselves to these ideas and ideals. It's so important because today you'll see throughout the semester that there are so many more tools that we can apply to our lives, to go beyond the zero.

但幸运的是，这就是为什么要学习积极心理学,大量的学者致力于,研究这些观点，它意义非凡,因为今天你们会看到整个学期的概览,有很多方法可以让我们的生活质量，达到正值。

哈佛公开课 - 幸福课课程节选