In problem set 5, last year I took a stroll around campus with one of the teaching fellows with his digital camera, we shot photographs of identifiable but non-obvious spots on campus and then like an idiot I always seem to erase my compact flashcard accidentally.

在习题集5中,去年我和另一位老师一起带着数码相机在校园里闲逛，我们在校园里没有目的地乱拍,像一个傻瓜一样,我一不小心清空了,我的便携闪存卡。

哈佛公开课 - 计算机科学课程节选

because I see a lot of people with cameras and stuff and...

因为我看到他们都带着相机之类的东西……

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But no matter, I spent a year in graduate school doing forensic research and working for the local Middlesex DA's office where I learned how to make a so-called forensic image of a digital camera's media card.

不过没关系，我在研究生院花了一年做法庭研究,并在那儿的Middlesex，DA的办公室工作,在那里,我学会了用数码相机的媒介卡,制作鉴识影像。

哈佛公开课 - 计算机科学课程节选