Overeating is often about portion sizes. The main message conveyed here is to simply be more aware of the portion sizes of each food group.

过量进食往往与食物的份量大小有关。餐盘图像传达的主要信息是只简单地关注各组食物的份量。

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A Cornell University study found that when a fixed portion of food was eaten from a large plate, diners felt they had been give a smaller than average portion, so ate more.

康奈尔大学的一项研究发现，同样份量的食物在大一号的盘子会误导用餐者，让他们感觉食物份量减少了，结果就吃得更多。

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And also, as I'll discuss in a minute, a lot of people don't recognize what a portion is, and because the food industry has been very successful at recalibrating us to think about what's acceptable to eat in one sitting at one time, and because of that our notions of portions have been thrown way off.

同时,马上我要讲到,很多人不知道摄入量是什么,因为食品业,成功的重塑了我们,就坐用餐时关于什么东西是可食用的看法,而这使我们对摄入量这个概念,有了不同看法

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But the calculations are based on a 100g-portion of the food, so condiments such as Marmite and ketchup, which are never consumed in such large quantities, are out.

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The portion of incomes spent on food has roughly halved for example over that time span.

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Lower income households across the United States spend a larger portion of their income on food than higher income households.

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