不需要在课程开始前注册。

It is not necessary to enroll before the course starts.

youdao

研究所的学费很高，而这些课程会让你在决定前对该领域深入了解。

Graduate School tuition is expensive, and these courses will give you a good overview of the field before committing yourself.

youdao

在中学毕业前两年，我上了一个缝纫和设计的课，以为自己会继续学习时装设计课程。

Two years before graduating from secondary school, I took a sewing and design course thinking that I would move on to a fashion design course.

youdao

If you decide to opt in by a pass fail, I just need to sign your white study card or if you wanna decide before the 5th Monday, just grab the pink slip and I can sign that and you can turn that in at any point and I'm happy to chat during break today or after class if you have any questions or concerns.

如果你上我们的课程只是要一个分数，那么我只需要在你的白卡片上签个名就可以了,或者说，如果在第五周的周一前还没考虑好，把你的解聘书拿来，只要我签个字,任何时候你都开以离开我的教室,当然，如果你有任何问题和疑虑,我也很高心和大家做课下交流。

哈佛公开课 - 计算机科学课程节选

All right, before I move on, are there any questions about details of the class or requirements, or readings, or anything people are having trouble getting on top of?

好了,对于在我开始讲课前,讲的关于课程以及要求,还有问题吗,大家还有没有不懂的地方

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

So she came to the MAPP program before getting her PHD.

读博前，她攻读了宾州应用心理学硕士课程。

哈佛公开课 - 幸福课课程节选