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Do we rely on the individual behavior and education, or do we try to do something about the environment?
我们是要依赖个人行为和教育,还是尝试去改变环境呢
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So the food environment can change and can change in productive ways and there are a lot of signs of this happening.
食品环境可以改变并可以很有创造性改变,有很多迹象都可以证明这一点
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So, we have, we're interested in the change in internal energy for various experimental constraints.
我们感兴趣的是,在各种实验环境约束下内能的改变。
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It will change energy, environmental science.
它将会改变能源，环境科学。
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But you could also change your system of knowledge itself, accommodation.
你改变已有的认知结构,以适应新的环境和信息,便是顺应
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Our environment has changed, the world has become industrialized.
我们生活的环境已经改变,全球普遍工业化
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That's a very positive change in the food environment, so we'll talk about those sort of changes.
这是食品环境的一项积极改变,我们将会谈到这一类的改变
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But as I said before, the food environment has changed very quickly and people have not.
但是就像之前说的,食品环境改变迅速,而人却没有
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Now you're saving a few calories because you don't even have to do that, so the food environment's changed in a lot of ways.
现在不需要这样,又节省了些力气,所以说食品环境改变了很多
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Other people might have other interests, but we'll talk a lot about social change and what might be done ultimately to effect the environment.
其他人可能会关心另外一些问题,但我们会谈很多关于社会变迁,及对于改变环境,我们最多能做到什么
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So the environment has changed in a short time but evolution has not and there's a real mismatch now, which explains why you probably like Haagen-Dazs better than you like cauliflower.
所以食品环境在短时间内就能改变,但是进化不能 于是就有了错位,这也就能解释为什么哈根达斯,比菜花更受欢迎
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For example, if it's more convenient should you change the environment to make the unhealthy food less convenient and make healthy foods more convenient?
举例来说,如果是因为方便,那你改变外部环境,会使得健康食品比垃圾食品更容易获得吗
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And, probably most important of all is can the food environment change?
或许最重要的一点 食品环境能够改变吗
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And so one could say that there is a very unfortunate mismatch between our biology and our evolution and the modern food environment, because biology of course takes thousands and thousands, millions of years even to change, but the food environment has changed relatively recently.
可以说,在人类的生物进化和现在的,食品环境之间存在着非常不幸的脱节,生物学上的改变要花上,成千上万年的时间,但是食品环境却可以在短时间内迅速改变
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If you change the animal's environment and you give it access to these sort of foods, and these are the pictures that I showed in the first class, and you remember I asked you what constituents of this diet promoted obesity and you said it was fat, sugar, and variety that was correct.
如果你改变动物所在环境,再给它们这些食物,这些图片我们在第一课见到过,我问过这些食物中哪些成分使人发胖,你们说脂肪,糖和其他成分,没错
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