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A lot of these processed foods have very long shelf lives and therefore can be stored for long periods of time.
很多加工食品为了便于储藏销售,都有很长的保质期
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Then of course there's the sugar you see in all the processed foods that you might think of.
当然你可能想到所有加工食品中也都含糖
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This was eventually taken out, and actually just for your interest, there was no overlap between the time when cocaine was in Coca Cola and lithium was in 7-Up, so there was a few years difference between those two times, but it's amazing to think about what does go into processed foods.
锂最终被去掉了，如果你感兴趣的话，可口可乐中含有可卡因,与七喜中含锂的时代,并没有交集，它们之间还差了几年，但是想一想加工食品里,会加入什么东西还是很令人吃惊的。
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Okay, so there was some irony built into it because the program itself was weighted so heavily toward processed packaged foods and eating out.
好的,所以这个项目的讽刺之处在于,项目本身侧重于加工好的,精包装的食品以及餐馆里的食品
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Portion sizes, and we'll devote a class to this later on, have gone way up and that's a big problem, the amount of processing I mentioned.
食物份量直线上升,这是个问题,我们将专门用一堂课讲这个,即刚才提到的食品加工程度的问题
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The calorie density has changed because food is processed, so the calories in the fat and the sugar that can get squeezed into things made possible by technological changes has shifted things a lot.
食品经过加工,热量密度发生了变化,添加到食品中的脂肪和糖类,其卡路里含量可通过技术手段进行调整,进而造成很大不同
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Okay, so you can see the size of the errors and you can see the problem with dietary assessment, and you can see the problem with how many calories get packed in processed foods.
你们看见了,误差的幅度很大,你们也明白了膳食评估的困难,你们也发现了,加工食品含有大量卡路里的问题
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That is, how many hamburgers do we think are being eaten and that's the food disappearing; how much of the foods are being consumed in processed products and the like, so that's a pretty gross estimate as well.
比如说,多少个汉堡包被吃了,那就是食物消费,有多少食品被,以加工好的成品等形式消费,所以其中估计的成分也很多
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So from that point of view it's probably good, but from the point of view of wanting to eat more foods that you prepare yourself and not eat process, and package, and things like that it may not be so good.
就这一点看来还是很不错的,而对于想多吃一些自己做的食物,而不吃加工好的精包装食品那类食物的人,评估就没这么容易了
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