The study shows that only-children tend to be high achievers in school.这个研究显示,独生子女往往是学校里成绩突出的人。An only child often creates an imaginary friend to play with.独生子女常常会虚构出一个朋友跟他一起玩。Being an only child has both advantages and disadvantages.作为独生子女有利也有弊。It was a little lonely being an only child.独生子女有点儿孤单。