
经常说only child,意为独生子女,比如;I'm the only child in my family.aim of 是目的的意思,如;The aim of the training is to let you find your own problems.

经常说only child,意为独生子女,比如;I'm the only child in my family.aim of 是目的的意思,如;The aim of the training is to let you find your own problems.