In an age when ice cream companies are melting away and reforming as purveyors of frozen yoghurt, is this dinky piece of homespun cheeriness really the best focus of the company's efforts?

在这个年代，冰激凌公司在一点点地融化并变成了冰酸奶制造商，这样一段小巧而朴实的兴奋是不是应该作为公司努力的重点呢？

The researchers used the Center for Epidemiological Studies Depression Index - a standard set of questions psychologists use to measure happiness - to analyze the cheeriness of the study participants.

研究者利用了传染病研究的核心对象-抑郁指数-这个在心理学上用来衡量幸福指数的因素来分析参与者的快乐程度。