This version of the article was originally published on LiveScience.
这个版的文章最初发表在生活科学。
This story was provided by OurAmazingPlanet, a sister site to LiveScience.
这个报道是事由LiveScience的一个姐妹网站OurAmazingPlanet所提供。
This story was provided by LiveScience, a sister site to OurAmazingPlanet.
这篇报道由《生活科学》所提供。它是OurAmazingPlanet的姊妹网站。
This story was provided by Life's Little Mysteries, a sister site to LiveScience.
这篇文章由Life'sLittleMysteries（生活中的小秘密）提供，一个Livescience（科学在线）的姐妹网站。
"Interestingly, being the favorite child has some serious drawbacks, research has found," Pillemer told LiveScience.
“研究发现，有趣的是，被偏爱的孩子都有一些严重的缺点”，皮勒莫告诉《生活科学》。
"Interestingly, being the favorite child has some serious drawbacks, research has found," Pillemer told LiveScience.
“研究发现，有趣的是，被偏爱的孩子都有一些严重的缺点”，皮勒莫告诉《生活科学》。
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