我们应该怎样了解它们对于不同食物的偏好呢？

How are we to understand their different feeding preferences?

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托尼的妈妈把艾米不熟悉的不同食物放在大盘子里。

Tony's mother put different foods that were unfamiliar to Amy onto big plates.

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了解不同食物的“最佳食用日期”和“过期时间”，并正确烹调它们是很重要的。

It is important to know "best-before" and "use-by" dates of different foods and cooking them properly.

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We eat different kinds of things and many people think that that's what has contributed to much more heart disease.

许多人认为,我们吃许多不同的食物,这是导致更多人患心脏病的原因

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Here's a pyramid that was established from the glycemic index, so this would be a little bit different version of the pyramid.

这个金字塔是基于血糖指数建立的,这个版本的食物金字塔有些许不同

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Then of course there's sugar itself, and then there's other kinds of sugar in things like fruit.

然后当然包括食物本身含糖,另外还有水果这类食物也含不同种类的糖

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选