These are very interesting results, but sort of the bias that everything should be done with white males that existed for many years hid some of these really interesting and important interactions that otherwise people didn't know much about.

这都是些值得关注的结果,但多年来对白人男性的研究带来的偏见,掩盖了这些有趣而重要的相互关系,人们对此知道得不多

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

But I never knew too much, and my... they don't really speak English that well,

但我知道的不多，而且我的。。。实际上他们的英语并不是很好。

学习外语的原因 - SpeakingMax英语口语达人