And then when you are out in nature, you can be really like I could die, you know, look at Katrina, look at all these things.

一旦你来到了自然中，你真的会想,“我会死在这儿吧“，想想卡特里娜飓风，想想所有的自然灾害。

普林斯顿公开课 - 人性课程节选

That made some populations mobile because they had to move from place to place to find food, but of course, it made starvation a very real possibility.

那样使得部分人口开始流动,人们不得不不断地迁徙,寻找食物,当然 自然灾害也造成了饥荒

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

It might bend and bow, that is it's not the forces of nature like the movement of the river that's knocking the bridge down, but it's just the failure of these materials over time, that they don't last as long as they might.

这桥可能会折断,不一定是洪水这样的自然灾害,导致了桥梁的坍塌,可能只是因为建桥的材料老化,这种材料没有那么持久耐用

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