这部分原因是人的预期寿命增加了。

This is due in part to increased life expectancy.

youdao

事故的主要原因是人的不安全行为，改善人的不安全行为可以有效地减少伤亡事故的发生。

The main cause of accidents is people's unsafe behavior. Improving people's unsafe behavior can prevent the accidents.

youdao

西尔贝格德说：“为什么不这样做的一个原因是，有些人对注入产品或商店的某些气味过敏。”

"One reason why not," says Silbergeld, "is that some people are allergic to certain scents pumped into products or stores."

youdao

And what this means is-- one reason why people are so bad in groups is because you could diffuse your responsibility.

它的意思是…,为什么群体中的人会表现出恶行,其中一个原因是你能分散你的责任。

耶鲁公开课 - 心理学导论课程节选

But these were not problems brought on by the Romans, these were local problems, and part of it was precisely because the Jews had been recognized by the Romans as having a special status in some places, and this caused some kind of local resentment.

但这些问题都不是罗马人引起的，都是当地问题，部分原因是犹太人被罗马人认可,在某些地方拥有特殊地位，引起了当地人的仇视。

耶鲁公开课 - 新约课程节选

If I'm wearing a mask as I do my terrible stuff, nobody will know it's me, but there's also a psychologically liberating effect.

如果我干坏事是戴上面具，就没人知道是我，除了这个原因，还有一种心理解脱效应。

耶鲁公开课 - 心理学导论课程节选