Happiness can be described as a positive mood and a pleasant state of mind.

幸福可以说是一种积极的心情和愉悦的心境。

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All of which, of course, have a positive effect on happiness levels.

当然，所有这些都会对幸福水平产生积极的影响。

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All of which would, of course, have a positive effect on happiness levels.

当然，这所有都会对幸福等级产生积极的影响。

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And very interesting for positive psychologists, those concerned with wellbeing and happiness: their wellbeing and happiness levels were incredibly similar.

让积极心理学学者，和研究幸福和快乐的人，更感兴趣的是：,这些双胞胎的幸福和快乐水平非常相似。

哈佛公开课 - 幸福课课程节选

to name a few-- on the negative side,the painful side; wellbeing,satisfaction,joy,excitement,happiness on the other side which is the side of positive psychology studies.

这些消极和痛苦的方面;,幸福，满足，愉悦，兴奋，快乐,属于另一方面,也就是积极心理学研究的方面。

哈佛公开课 - 幸福课课程节选

First of all, happiness is a positive sum game-- it's not a zero sum game.

首先，快乐是正和游戏-,不是零和游戏。

哈佛公开课 - 幸福课课程节选

Happiness is positive cash flow.

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According to Shawn Achor, researcher and author of The Happiness Advantage, positive employees outperform negative employees in terms of sales, energy levels, turnover rates and health-care costs by as much as 30%.

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Over the last decade, researchers in Positive Psychology have discovered a number of behaviors that boost happiness.

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