In fact, 73% of people interviewed put their relationship with colleagues as the key factor contributing to happiness at work, which is a very high percentage.

事实上，73%的受访者把他们与同事之间的关系作为工作中快乐的关键因素，它所占的比例很高。

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A study into the ups and downs of the female weight-cycle showed happiness-or the lack of it-in a relationship is the biggest factor.

一项针对女性体重波动的研究显示，爱情幸福与否是影响女性体重变化的最重要因素。

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Happiness, it seems, is not a factor of how much you have.

看起来幸福不是你拥有多少东西。

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What turns this shift from demographic accounting to a social question is the pursuit-of-happiness factor: as a rule, do people live alone because they want to or because they have to?

NEWYORKER: The Disconnect

Again, researchers found liberal use of swear words to be a key factor in a city's overall happiness score.

CNN: The happiest and saddest states according to Twitter