When you', re watching a nature show on television, don', t feel too bad when the lion kills the gazelle because the lion has to eat, too.

当你看见电视上的动物世界里狮子吃掉羚羊时，不用感到痛心，因为这就是食物链。

youdao

The lifetime earnings of a tightwire walker who falls down and kills himself aren't very good.

一个掉下来摔死自己的走钢丝的人,他一生的收入也不会很好。

耶鲁公开课 - 金融市场课程节选

Of course Paris, isn't he the one who kills Achilles, right?

射杀阿喀琉斯的是帕里斯,对不对

耶鲁公开课 - 古希腊历史简介课程节选

Unlike deer hunters, who don't always mount their kills, those who kill bears tend to preserve them.

WSJ: After Long Hibernation, Taxidermists Make a Killing During Bear Season

And it doesn't just kill us, it kills the land, nature and eventually the whole world.

WSJ: Celebrity 'fractivists': True advocates or NIMBYs?

But what many don't know is, cotton really kills.

NPR: Subzero Biker Checks In