And by the way, all of these numbers are significantly higher if you happen to be black, if you happen to be poor, if you happen to exist in an overcrowded school.
顺便提一下， 如果发生在黑人小孩， 贫穷的小孩身上， 假如发生在拥挤不堪的学校上学的小孩身上，这所有数据还得更高。