It occupies a special place in social interaction and is a fascinating feature of our biology, with motor, emotional and cognitive components.

笑在社会交往中占据重要的位置，是人类生物学中一个迷人的特征，包含了运动、情绪和认知成分在内。

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The theory of social interaction, with concentrates on emotional influence over interaction process, opens a new field for studies on emotions by breaking the bound of individuality.

社会互动理论关注情感对互动过程的影响，使情感研究摆脱了个体的束缚，为情感研究开拓了新的视阈。

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Social support in social interaction, the individual from other individuals, groups or social organizations to get the material, emotional, information and ownership of such support.

社会支持是在社会互动过程中，个体从其他个人、团体或社会组织中获得的物质、情感、信息和归属等方面的支持。

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Whether they are texting, tweeting or e-mailing, the potentially negative effects that this activity may have on language development, social interaction and emotional bonding of their children have been raised by social psychologists in the past decade.

FORBES: Texting While Parenting: What Effect Can It Have On Your Children?