"A lot of units from different areas, different parts of the country have to integrate,work as a team, and that's why we come here to practice because we need to be ready in case something does happen."

VOA: standard.2010.07.21

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