Peter took art as an elective in college.

彼得大学时曾艺术。

At my university, there is no division between compulsory and optional modules.

在我的大学里，没有必课和课的划分。

According to college curricula, students have to finish some compulsory courses and selective courses.

根据学校的课程安排，学生需要完成必课和课的内容。

This semester, there are seven lawyers taking the class.

学期有7名律师课。

And five more states offered it as an elective.

还有五个州将其作为课提。

Perhaps, even take a course, like strategic communications.

也许，甚至一课程，比如战略沟通。

My co-op friends who were also taking the course asked for my help.

一些同样课的同室朋友找我帮忙。

One in four Yale undergraduate students has registered to take it.

耶鲁大学四分之一的本科生注册了课程。

Some courses in college are required while others are optional.

大学里有些课程是必的，有些是的。

You will not be able to experience them all, but sample them widely!

你不能所有的课程，但是要尽能体验更多的课程！

Other schools let students wait until their second year.

而其他学校则让学生在第二年专业。

They're a bit shocked that in China this is compulsory rather than optional, erm...

他们听到在中国是必而不是有点震惊。

But coursework isn't the only way to explore your interests and specialize.

但课程并不是探索兴趣和专业的唯一方式。

Is that optional course as hard as everybody says?

那课像大家都说的那么难吗？

And some are optional, students get a list of optional modules and choose which ones they want to take.

而有些课程是的，学生拿到一份课程列表，然后择他们想的课程。

And my last year, I took specialization, which is crystallographer.

我大学最后一年了一专业科目，晶体学。

It includes 20 hours of classes a week in your chosen course.

包括了你们课的一周20个小时的课程。

Great, I guess that means you all intend to take this course.

很好，我想意味着你们都打算课。

I didn't know you drew. -It's an elective.

我前不知道你还画画。-课学的。

First of all, I would like to thank you for enrolling in this optional ethics course.

首先，我要感谢你们伦理学课程。