Is it better to be an underachiever or an overachiever ?
成为一个低成就者和高成就者，哪个更好一点？
This principle has gone far toward making finland an educational overachiever .
这一原则导致芬兰在教育方面取得出人意料的成功。
President obama has been an overachiever on immigration enforcement , far outpacing his predecessor , george w. bush , in swiftly racking up a million deportations .
