Do we offer what we dub packer editions of problem sets which extensively cover the same material but with a more technical sophistication, with more detail, and these are simply options that students in this course can elect as per the syllabus.

我们提供涵盖同样内容,但具有更多技术性细节的,我们称之为习题包，其中有更详细的信息,这些只是按照教学大纲的要求让同学们可以自主选择。

哈佛公开课 - 计算机科学课程节选

You can always count on seeing tourist on the train with an American Girl bag or an American Girl box

你总是可以在火车上看到拿着“美国女孩”的包和盒子的游客，

小心超额消费 - SpeakingMax英语口语达人

I wanted to show you that, so, first thing I'm going to do is say, all right, I know I'm going to need square root in here, so I'm going to, in fact, import math.

我们可以开始完成这个方法了，我想让你们看到完成这个方法的过程，第一件事情就是,我们在这儿需要一个求平方根的方法，实际上我将引入math包。

麻省理工公开课 - 计算机科学及编程导论课程节选

you can ask the host where your bag is quite simply by using the "where" pattern.

你可以简单地用“where”句型询问主人你的包在哪里。

Where 课堂 - SpeakingMax英语口语达人