So we'll talk about what people are eating, we'll talk about what's good and what's not good and what the optimal diet might be.

所以,我们将讨论人们吃什么,讨论吃什么有益,吃什么有害,以及什么才是最佳饮食

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 what to eat, what the optimal diet is has become a pretty controversial issue.

吃什么和如何确定最佳食谱,成为冲突的两个问题

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 you could have--be consuming fat that is in itself good for heart health let's say, or maybe protective against cancer in some ways, but it's also adding calories to the diet, so you want to have the optimal amount of fat and not over-consume it because of the calories.

所以你可能是在食用,有益于你心脏健康的脂肪,打个比方,又或是在某种程度上可以抗癌,但它也给你的饮食增加了热量,因此为了减少热量应该食用适量,而非过量的脂肪

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Chris Horner, of the Radio Shack team, said in this piece that maintaining an optimal diet during the Tour is tough.

FORBES: What Fuels Tour De France Riders?

While some commercial companies promise to tell you what is the optimal diet for you to eat or whether your kid will be a star athlete, the reality is that genetic testing is nowhere near capable of doing any such thing.

CNN: Get ready for the risks of genetic testing