打开前窗铰链，侧车窗都以硬木框架和有机玻璃窗格幻灯片。

Front Windows hinge open, side Windows slide, both with hardwood frames and Perspex panes.

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这张幻灯片现在已有40多年的历史了，它的硬纸框架已变黄和弯曲，但它的影像仍然光亮清晰。

The slide is over 40 years old now, its cardboard frame browned an bent, but the image is still bright and clear.

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Because of the climate and because of certain things growing in different parts of the world--and by the way, I see some of you kind of struggling to keep up with some of the things I'm doing on the slides, but I'm hoping to make broad points here, and again, the slides will be posted on the website so don't worry so much if you're not able to get everything down.

因为气候以及其他的一些原因,在世界不同地方种植,顺便说一句,我发现某些人很费力地,记录我幻灯片里的一些内容,但是我这里只想介绍大体框架,而且课件会上传到网络上,因此不要担心不能记下所有内容

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选