Their role is to protect the religious liberty rights of students;

VOA: special.2009.12.24

For all students, what we want to do is we want to give you an understanding of the role computation can and cannot play in tackling technical problems.

对所有学生来讲，我们想做的就是,给你们关于计算在能否解决技术问题中,所扮演角色的,认识。

麻省理工公开课 - 计算机科学及编程导论课程节选

I wanna stop here because I think that's a role that you have provided for many students.

我想这个话题就先说到这儿，因为我觉得,那是您为很多学生担当的工作。

普林斯顿公开课 - 人性课程节选

Some people write going down. Some people write from left to right, some from right to left.'" Another educator, Kate Foy of the British School in Washington, says the teacher's role is to enable students to discover for themselves.

VOA: special.2011.03.10

I should have said that as an undergraduate, I worked very closely with my dean of students, Ms Phyllis Hoey who is still a role model for me.

应该说还是本科生的时候，我就在学生处主任Phyllis，Hoey小姐身边工作,她至今仍是我的榜样。

普林斯顿公开课 - 人性课程节选