As an only child, she often felt a sense of independence that her peers with siblings did not experience.
作为独生子女，她经常感到一种独立的感觉，这是她有兄弟姐妹的同伴所没有的。
The study compared the social skills of only children to those with siblings.
这项研究比较了独生子女和有兄弟姐妹的孩子的社交技能。