"What we don't want is a situation where parents are taking all the right steps at home, and then their kids undo all that work when they go to school with salty,fatty foods in the school cafeteria."
VOA: special.2010.06.07
If you go onto some of the other foods in here you see that the error became even greater in some of these cases.
如果你们看表上的其他一些食物,一些例子的估算误差会更大
that's the sort of traditionally English foods that you'll get wherever you go.
这算是传统的英国食物,无论你去哪儿都能吃到。
You can take commercial foods, like Wheaties, and go to the manufacturer and try to figure out how many boxes of these things are produced.
对象可以是麦片那样的商品,去联系制造商然后估算出,这些东西生产了多少箱
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。
I mean sometimes if you have things that are a mixture of foods, like you go out for Chinese food or you have a casserole somewhere, or you have some dish of vegetables mixed together, how do you make sense of that when it comes to entering these things into a record.
我是说,有时候有一堆食物在你面前,如出去吃中餐,或你面前有一份大杂烩,又或者是很多蔬菜混合在一块,在输入饮食记录的时候,怎样才能让你输入的东西有意义呢
There are a number of different methods that scientists use to see what foods are related to particular health outcomes, and we won't go through all of them but I will -over the course of the class we'll talk about various methods, but I'd like to talk about two primary ones today.
科学家有很多不同的方法,来研究食物与健康的关系,我们不会一一提及但我会,这门课上我们会提到很多方法,但我今天只想说两大重要方法
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