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But if you put a less healthy fat in you get some improvement but less.
如果加入的是不那么健康的脂肪,那么对食物质量的改善就很有限
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They call them fat. They call them all kinds of things to get their attention.
骂他们胖。什么都喊，引起他们的注意。
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If we look at our different foods and we look at the calories and the fat and how it all stacks up, here's what you get.
让我们看看刚才提到的食物,看看卡路里和脂肪,数据累积相加,这是得到的结果
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If you keep eating chocolate ice cream, you're going to get too fat.
要是你再这么不停地吃巧克力冰淇淋，你会变成一个大胖子的。
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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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They're the ones who would seek out high fat, high sugar diets because then they would get calories to seek out a variety of food, to eat in--eat above what immediate hunger might dictate.
这些人追求高脂高糖饮食,以获得足够能量,继而寻找更多种食物,饥饿驱使他们吃可以迅速果腹的食品
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But the hypothesis was based on this association more or less, that looked at the rates of breast cancer across different countries and how much dietary fat those countries consumed and so you get a nice little scatter plot.
但以上假说,多少也基于一些合作研究,看看乳腺癌在不同国家,的发病率,那些国家在饮食中摄入了多少脂肪,然后就会得到一个不错的散点图
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And the fact is, food is healthier if it has less trans fat, but it depends on what fat's swapped out for it, because if you put a healthier fat in then it's--then you get a certain amount of improvement.
事实是,如果食物中反式脂肪的含量较低,确实会更健康,但这取决于被剔除的脂肪种类,因为如果加入较为健康的脂肪,食物的质量会获得一定程度的改善
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In that process there is a metabolic engine at work, and some people have an efficient engine so that the calories in get banked in the fat, other people have an inefficient engine, that is the calories get wasted as body heat and things like that, and they tend not to gain weight.
这过程中人体内有个工作着的代谢引擎,有些人的代谢引擎效率很高,热量便转化为脂肪储存起来,另一些人的效率低下,能量就以体温等形式被浪费了,因此他们就不容易发胖
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