The idea that loneliness, like happiness, has an important social component is valuable to forwarding our understanding of emotion.

像快乐一样，孤独感是一个非常重要的社交成分的观点对于促进我们对情绪的理解是非常有价值的。

youdao

I think many people would acknowledge the existence of animal pleasure, but that's arguably a very simple experience compared to subjective states like happiness or fulfillment.

我想许多人会认可动物有愉悦的说法，但是人们会有争议，就是动物的简单体验和人类的体验的幸福和充实感等主观状态是不能相提并论的。

youdao

Questioning the value of a college education seems a bit like questioning the value of happiness, or fun.

质疑大学教育的价值似乎有点像质疑幸福或乐趣的价值。

youdao

The researchers asked questions about emotions like happiness, sadness and worry.

VOA: special.2010.08.03

If you are happy, and work on your happiness, you are contributing indirectly to other people's happiness, just like the baby who laughed last time-- made you laugh.

你快乐并努力争取快乐，就是间直接对他人的快乐作出贡献，就像上次大笑的婴儿，把你们逗笑。

哈佛公开课 - 幸福课课程节选

you kind of have like, true happiness, where you can just be.

你就拥有了真正的幸福，而你也会真正地感到幸福。

寻找幸福 - SpeakingMax英语口语达人

The H(app)athon Project is sprawling and kind of like happiness itself rather difficult to explain.

FORBES: Are You Happy? An App Tries To Raise Our Collective Mood

No, the problem is the inherent fallibility of social science research and it's inability to quantify intangibles like happiness.

FORBES: Magazine Article

The lyrics, though, rarely hint at anything like happiness or stability.

NEWYORKER: Sea Change