It was nice because it wasn't just, "Okay, Let's write a story" or "Let's do a research about the animal" or "Let's do a poem about fish".

说它出色，因为孩子们这样做，不是因为老师要求“,或布置的任务“,或学校强制。

麻省理工公开课 - 媒体、教育、市场课程节选

In my days, they would say, "Find out when you want an object to go through that point."

我读书的时候,老师要求我,"求出物体何时经过该点"

耶鲁公开课 - 基础物理课程节选