至少来说狗主人们通常能得到更多地锻炼。锻炼也是快乐的一个来源。

Dog owners, at least, often get more exercise, and exercise is a source of happiness.

youdao

Then we're going to take the newly formed vectors that now are recombinant, they're combined from at least two different sources.

然后就能得到这些重组的新载体,它们至少有两个不同的组成来源

耶鲁公开课 - 生物医学工程探索课程节选

Carbohydrate has really shifted, and so people are eating more calories from carbohydrate before, sugars primarily, and that is coming primarily from added sugar, or that's at least one of the primary contributors.

碳水化合物也有明显的变化,比前人更多的从碳水化合物中摄取热量,以糖类为主,也就是说主要是添加糖类的食物,至少这是主要的来源之一

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Every society no matter of what kind requires a kind of faith in its ruling principles in its fundamental beliefs. But belief seems to be threatened from at least two sources.

每一个社会，无论其型态为何,都需要在其统治原则及基本信念中,加入些信仰，但是信念,似乎受到至少两项来源的威胁。

耶鲁公开课 - 政治哲学导论课程节选