Simply saying "thank you" may benefit both the recipient and the person who express gratitude, according to the results of studies conducted by researchers at Florida State University in Tallahassee.

　　美国塔拉哈西佛罗里达州立大学的研究人员开展的一系列研究表明，简单的一声“谢谢”对致谢人和被感谢的人都有好处。

　　The studies, published in the latest issue of Psychological Science, found that saying "thank you" strengthens relationships by causing the person expressing thanks to feel more responsible for the recipient's welfare.

　　这些在最新一期《心理科学》上发表的研究发现，说“谢谢”能让表达感谢的人觉得自己考虑到了对方的感受，进而能够增进人际关系。

　　To understand how expressing gratitude helps strengthen relationships, the researchers conducted three different studies.

　　为了弄清表达感谢究竟是如何促进人际关系的问题，研究人员开展了三项不同的研究。