A child who is a native speaker usually knows many things about his or her language that a non-native speaker who has been studying for years still does not know and perhaps will never know
کودکی که به زبان مادری صحبت می کند، معمولاً چیزهای زیادی در مورد زبان خود می داند که یک فرد غیر بومی که سال ها مطالعه کرده است، هنوز نمی داند و شاید هرگز نشناسد.