一个由Framingham心理研究中心追踪数十年的，接近5000人的人际关系调查显示，好心情通过附近的家庭，朋友和邻居的社交网络扩散开来。

A study of the relationships of nearly 5, 000 people tracked for decades in the Framingham Heart study shows that good cheer spreads through social networks of nearby family, friends and neighbors.

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我们被要求做一项关于亲子关系的调查。

We were asked to carry out a survey about the relationship between parents and children.

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需要进一步的研究来调查这种关系的因果本质，并调查主人的个性是如何直接影响他们的宠物的行为和健康的。

Further research is needed to investigate the causal nature of this relationship, and to look at how owners' personalities are directly influencing their pets' behaviour and wellbeing.

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There have been some interesting surveys about people's relationship with food and the Pugh Foundation did a survey that was published in April of 2006 that asked people how much found out what percentage of people really enjoy eating.

有很多有意思的调查研究,关于食品,和人际关系的联系,其中皮尤基金会,2006年4月发布的一项调查试图解析,究竟有多少人能真正从饮食中获得享受

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选