陈词滥调之所以如此容易渗透到我们的演讲和写作中，是由于它们潜在的可记忆性，这正是它们在口述故事中扮演如此重要角色的原因。

The very reason that clichés so easily seep into our speech and writing—their insidious memorability—is exactly why they played such an important role in oral storytelling.

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金钱在物欲横流的世界中扮演重要角色。

Money plays an important role in the material world.

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治理在程序管理中扮演重要角色。

Governance plays an important role in Program Management.

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So although holiness derives from god, humans have a crucial role to play in sanctification, in sanctifying the world.

尽管神圣源于神灵，人类在将世界神圣化的过程中，扮演者重要的角色。

耶鲁公开课 - 旧约导论课程节选

I think that going forward, both the rating agencies and the banks will be very important in our society.

我认为这会有效果,信用评级机构和银行,都将会在我们的社会中扮演很重要的角色

耶鲁公开课 - 金融市场课程节选

It emerged from a unique history in which chance and accident often played a vital part.

它出现在这段独特的历史中,其中机遇和偶然性扮演了重要角色

耶鲁公开课 - 古希腊历史简介课程节选