We didn't have that in the eight-millimeter days. We had to lug a projector, we had to plug it in to somebody's wall, put up a screen and show it to someone patient enough to sit there for five minutes and watch.

VOA: special.2011.06.20

Nobody is going to say to themselves, "Oh, well, it's not such a good talk because the slide projector broke."

没有人会觉得，”这个演讲不是很好，因为投影机坏了“

耶鲁公开课 - 心理学导论课程节选

GCC -o So, on the one hand, I've run this command here, GCC dash O and this projector I'm highlighting things all day long on the screen here and you're not seeing any of it unfortunately it seems on this projector.

我在这运行了一条命令,这台投影仪我一天到晚的开着,一再强调屏幕上的东西，不幸地，你们却,在投影仪上没有看到它。

哈佛公开课 - 计算机科学课程节选

If you were giving a job talk-- and this is for people in graduate school particularly-- If you were giving a job talk and the slide projector breaks, you're screwed.

如果你要做一个职业演讲-,特别是给研究生院做-,如果你正在做演讲，结果投影机坏了，你完蛋了。

耶鲁公开课 - 心理学导论课程节选