美国的角色最终归结为信任。

The U.S. role ultimately comes down to trust.

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在所有国家中，不同观点的比例很平均，百分之四十认为美国的角色是积极的，百分之四十一认为是消极。

On average, among all countries, views are evenly divided with 40 percent seeing the US role as positive and 41 percent as negative.

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该事件引发了有关美国政治中极右势力角色的新讨论。

The incident has triggered fresh arguments about the role of the extreme right in U.S. politics.

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So the book is really an effort to answer what role America should play in the world.

这本书事实上是在试图,回答美国在世界这个大环境中应该扮演怎样的角色。

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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。

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