You regulate your breathing rate in order to accomplish that and we'll talk about this in a couple of weeks.

人们调节呼吸的频率来获得足量的氧气,我们过几周会讲到这方面内容

耶鲁公开课 - 生物医学工程探索课程节选

And there are a number of diets-- almost all diets will urge people to take in enough protein.

很多饮食方式,几乎所有饮食都敦促人们摄入足量蛋白质

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 basically, the whole society was spending all of the time raising enough food just to support life and there was only 5% left over and that ended up being used in ways like this.

基本上,整个社会全部时间都被用于积累足量食物,这仅是为了维持生计,只剩下5%的时间,被用来建造金字塔,为法老服务

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选