People--the fat content will vary a lot, and hence, the calories will vary a lot.

脂肪含量有很大差别,因此,热量差别也很大

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

This is Virgil: "He should sing thin - spun lays and he should be content feeding his fat sheep."

这是维吉尔的诗：“他哀唱着纤细的抒情诗“,“喂着肥硕的羊儿，他无比满足“

耶鲁公开课 - 弥尔顿课程节选