These numbers are so low they could be dismissed as people filling in the wrong things or making jokes or just being confused compared to-- stunningly superstitious high rankings.

这些比例低到,可以把它们当成人们填错表格,或者开玩笑，或者看不懂题目造成的误差,相比于…,那些高得吓人的比例。

耶鲁公开课 - 心理学导论课程节选

All tended to have a high slave-to-free ratio of population.

人口中奴隶所占的比例 都是非常高的

耶鲁公开课 - 美国内战与重建课程节选