It's not surprising, therefore, that people should be eating more fruits and vegetables, and our ancestors were eating much more.

因此毫无疑问,人们应该吃更多的水果和蔬菜,而我们的祖先吃的更多

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Twenty-eight percent-- only 28% are eating the recommended amount of vegetables, so this is a pretty discouraging number.

8%,只有28%的人蔬菜摄入达标,这些数字可真叫人泄气

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

We talked about this a little bit in section last week, when you eat vegetables or meat, you're eating a lot of DNA but that doesn't enter the cells of your body because of the barrier properties of cell membranes.

这个我们上周讨论会讲过一些,我们在吃蔬菜或者肉类时,摄入了大量DNA,它们之所以不会进入你的体细胞,就是由于细胞膜的这种屏障作用

耶鲁公开课 - 生物医学工程探索课程节选

Expire Okay, that's a very interesting issue about the--the response was that because the--other food might expire quickly and so that's true; if you're eating things like fruits and vegetables, they only have a certain amount of life before they go bad.

保质期长,这是个很有趣的问题,因为其他食物可能很快就变质了,这也是个原因,如果你吃蔬菜水果的话,它们都有一定的保质期

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选