但当压力不断出现时，身体的反应更有可能是对我们有害而不是有益的。

But when stress is encountered continually, the body's reactions are more likely to be harmful than helpful to us.

youdao

因此，快速识别事物是有益还是有害的需求可能对摇滚艺术产生了巨大的影响，并解释了为什么一些形象在不同文化中比其他的更常见。

So the need to quickly recognise things that could be helpful or harmful could have had a great influence on rock art and explain why some images are more common across cultures than others.

youdao

我认为美国在世界上更多时候代表的是有益的力量而不是有害的；我对国家的敌人并不抱太多幻想，我敬重我国军人的勇气和能力。

I think America has more often been a force for good than for ill in the world; I carry few illusions about our enemies, and Revere the courage and competence of our military.

youdao

These kinds of fats are not necessarily bad, and so things like olive oil in the diet tends to be protective and may explain some regional variations in rates of heart disease.

这些脂肪就不一定有害,所以饮食中橄榄油之类的对身体是有益的,这也解释了地域间心脏病发病率的差异

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选