The challenge is for the work you are going to be doing at the class time we are doing to spend together.

这一挑战是针对,我们要一起在课上,完成的任务提出的。

麻省理工公开课 - 媒体、教育、市场课程节选

But usually, if you are not able to work out something in terms of taking the exam at a different time,

不过通常情况下，你不太可能被允许换个时间参加考试，

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Now, if that's the sort of thing you know about Freud, you are not going to have a very high opinion of him or of his work, but at the core of Freud's declamation, the more interesting ideas, is a set of claims of a man's intellectual importance.

如果大家对于弗洛伊德的了解仅限于此，一定不会对他及其学说给予太高的评价，不过弗洛伊德理论的核心，也是更有价值的观点，是一系列关于人类理性的主张。

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Let's say that you've been at work all day and you are really tired.

假设你已经工作了一整天，你已经精疲力尽了。

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