The middle class guys behind the screen who are going to invest in these long treks.

那些幕后的中产阶级们,他们打算对这些长途贸易投资

耶鲁公开课 - 欧洲文明课程节选

The test of this then is to have blind auditions where people do their auditions behind a screen so you can't tell whether they're man or a woman, or for that matter, white or black or Asian or whatever.

然后他们进行闭幕试演以作测试,演奏的人被一块屏风挡住,看不出演奏的是男人还是女人，或者白人还是黑人，亚洲人还是其他人。

耶鲁公开课 - 心理学导论课程节选