What I'm going to ask you to do Andrew Low is to help me develop ways to improve the Andrew Low course.

你们的任务就是,探索改进,课程的新方法。

麻省理工公开课 - 媒体、教育、市场课程节选

Different agencies were formed at different times and they have specific missions.

在不同的时候，拥有着特别任务的,新机构将会被建立起来。

耶鲁公开课 - 金融市场课程节选