I think we have an important role for economic, financial education.

我想我们必须对经济及金融学教育,提起重视。

耶鲁公开课 - 金融市场课程节选

I think that America has an important role to play to have the standards increased.

我觉得美国在提高标准方面扮演着重要的角色。

爱护小朋友 - SpeakingMax英语口语达人