Companies also have to be careful or they could get into trouble with the Equal Employment Opportunity Commission.

VOA: special.2011.02.28

As I mentioned, we'll rotate the teaching fellows through different parts of the alphabet, so every teaching fellow will have equal opportunity to grade work from each person in the class.

如我所说,我们会根据字母顺序,来更换助教,因此,每一位助教都有相同的机会,为班上每个人的作业评分

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选