A:Here's the course description guide. 
这里这份是课程说明。

B:What do I do with it?
它对我有什么作用？

A:Do you want me to help you? 
需要我帮你忙吗？

B:Please.
麻烦你了。

A:Look. Here are the core classes. Everyone has to take them. 
看这儿。这些是必修课程。每个人都得上这些课。

B:So I don't have to worry about them.
那么，我就不用担心它们了。

A:You're catching on! However, there are elective courses like wood shop, metal shop, home economics... 
你真是一点就通！但是选修课程，譬如工艺、金属焊接、家政……

B:I'll take home economics.
我要选修家政。

A:Good. Now you can pick classes by yourself. 
不错。那现在你可以自己来选课了。