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笑上5分钟不仅能延长寿命和代替一杯酸奶,而且还能说明一个人的很多问题。例如谈话对象的某些性格特点就是在笑颜中展现出来的。
Laughing for 5 minutes not only prolongs life and replaces a cup of yogurt, but also illustrates a lot of problems for one person. For example, some of the personality traits of conversation objects are shown in the smile.