运输胃肠道的脂肪物质是这个系统最主要的功能。

The transport of fat from the gastrointestinal tract is the principal function of this system.

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胆固醇是一种脂肪物质被人体提出，生活在血液和组织。

Cholesterol is a fatty substance made by the body that lives in blood and tissue.

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这些脂肪物质可以促进可溶性维生素的吸收，成为营养的获取途径。

These fats served as a vehicle for nutrients, by promoting absorption of fat-soluble vitamins.

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Fat has twice the calories per unit weight that protein or carbohydrate sugar has, as a consequence, has the greatest survival value.

单位重量中脂肪的热量含量,是蛋白质和碳水化合物的两倍,因此,脂肪才是最能维持生存的物质

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

So which of these things do you think is worse for your health: Trans fat or saturated fat?

你认为以下哪种物质对健康更有害,反式脂肪还是饱和脂肪

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

People need fat, and they need sugar, and they need variety--at least what their brain thinks.

人类需要脂肪和糖类,需要各种物质,至少大脑是这么认为的

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选