The plants can be deficient in certain things, especially fat soluble vitamins that come from meat and from essential amino acids.

植物中缺乏某些物质,特别是脂溶性维生素,那些只能从肉类和必需氨基酸中获得

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 said the dairy industry and the meat industry were especially effective at lobbying and that gave you a skewed version of what to eat.

人们认为乳品加工业和肉类加工业,做了很多游说工作,并最终给了人们一个饮食建议的扭曲版本

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选