最后，年轻一代的生态学家发现，涉及行为和生活史适应的生态问题比测量物理常量更有吸引力。

Finally, younger ecologists have found ecological problems involving behavior and life-history adaptations more attractive than measuring physical constants.

youdao

科学家首次提出这个问题是在20世纪90年代中期。当时，研究人员偶然发现一种化学药剂，这种药剂在啮齿动物身上似乎可以发挥和热量限制相同的正面效果。

Scientists first posed this question in the mid-1990s, after researchers came upon a chemical agent that in rodents seemed to reproduce many of caloric restriction's benefits.

youdao

这一问题的部分原因是“婴儿潮”一代认为社交网络并不以他们这个年龄段为导向。

Part of the problem here is that boomers don't think that these social networks are focused on their age group.

youdao

But the question is how are those of us of this generation, living that ethic out in the early 21st century?

但问题是,我们这代人如何，将在21世纪初的生活中体现这一道德？

普林斯顿公开课 - 人性课程节选

Now,when I think about this,and again, I'm inviting you to think about this in the first person, so this is happening to you.

当我想到这个问题，我再次请各位把自己代入进去，把这当作发生在你身上的事情。

耶鲁公开课 - 死亡课程节选

And Thorndike noted that cats do not solve this problem through insight.

桑代克注意到,小猫并不会通过顿悟来解决这一问题。

耶鲁公开课 - 心理学导论课程节选