if you only speak english with friends, you will probably use the same, informal language all the time.
如果你只与朋友说英语,你很可能会一直使用相同的,不正统的语言。
when my child can’t speak english as well as her kindergarten classmates, i beat my chest in frustration and send her to extra classes.
当我的孩子英语不像她的幼儿园同学说的那样好时,我充满挫败感的捶着胸脯,然后送她去了补课班。
much of this difference is explained by ethnicity: unsurprisingly, poor children who do not speak english at home have fewer words in what is their second or third language.