The fact that white Americans favor white Americans over black Americans might be because of stereotypes but they also might be of in-group favoritism.

白人喜欢,白人，而不是黑人,可能是因为刻板印象,也可能是由于组内偏爱的心理。

耶鲁公开课 - 心理学导论课程节选

I'm going to post it in a format which will be black and white and easy to print out so you don't have to worry about this.

我会把它做成黑白板式上传,方便同学打印,所以完全不用担心笔记问题

耶鲁公开课 - 心理学导论课程节选