Now, we are very gentle in this course with respect to knowing integrals, but this is one you have to know.

这门课对积分,的要求并不高，但这个积分你们必须会算。

麻省理工公开课 - 热力学与动力学课程节选

I want to just go over the requirements of the course that really are required, not the optional piece, just so that you understand what my purpose is pedagogically.

我只想跟大家回顾一下,这门课程的必须要求，并非可以自由选择的,这样你们会理解我的目的何在。

耶鲁公开课 - 1945年后的美国小说课程节选

It's very hard to start an insurance company because you've got to meet the requirements of all fifty regulators.

开办保险公司是非常不容易的,因为你必须同时满足五十个州的监管要求

耶鲁公开课 - 金融市场课程节选

These women are not free to move around, particularly those who are required by their religious community to remain in their homes and only go outside perhaps with their chaperon.

这些女性不能自由行动，特别是,那些受到宗教团体要求的女性,必须待在家中，最多只能,在监护人的陪同下外出。

普林斯顿公开课 - 人性课程节选

Trotsky is not simple-minded in his literary taste, and he doesn't just sort of spontaneously insist that everybody has to write socialist realism.

列夫，托洛斯基的文学品味并不单一，他也不要求每人都必须,按以社会主义现实主义写作。

耶鲁公开课 - 文学理论导论课程节选

You have to be of an age to be a fighting man. It's not necessarily defined for us.

必须达到最低年龄的要求,才能参军,不像我们现在这样

耶鲁公开课 - 古希腊历史简介课程节选

More generally speaking, we might say, they're subject to deterministic laws... that, as physical objects, it's true of them that they must do what the laws of physics and laws of nature require that they do.

我们甚至可以这样说,它们受制于决定性的法则,即,作为物理实体,它们必须按照,物理定律和自然法则的要求去做

耶鲁公开课 - 死亡课程节选

For many years now, to qualify as an accredited investor, you have to have one million dollars in wealth or income in excess of $200,000 or, if you're married, $300,000 for the couple.

一直以来,可信投资者的要求是,你必须有一百万美元的财产,或者年收入超过20万美元,若已婚,则夫妇年收入要超过30万

耶鲁公开课 - 金融市场课程节选