As for a case study, I could talk about certain religious community's requirements that women practice purdah.

至于说个案，我可以谈谈,某些宗教团体的规定,要求女性遵守深闺的习俗。

普林斯顿公开课 - 人性课程节选

This is a sign of my economic status: I don't have to work. It is middle and lower-class women who do not get to observe purdah in this way.

但这恰好是我经济地位的标志：,我不需要工作，只有中下阶层的女人,才像这样不遵守深闺的习俗。

普林斯顿公开课 - 人性课程节选