As United States society became more specialized and differentiated, greater extremes of wealth began to appear.

随着美国社会变得更加专门化和差异化，社会中开始出现更大的贫富差距。

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In fact, according to developmental psychologist David Elkind, United States society tends to push children so rapidly that they begin to feel stress and pressure at a young age.

事实上，据发展心理学家大卫·艾尔金德所说，美国社会急于催促逼迫孩子，以至于他们在很小的时候就开始感受到了压力。

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Those innovations, upon which virtually all aspects of contemporary society now depend, were possible because the United States then led the world in mathematics and science education.

当代社会几乎所有方面都依赖这些创新，这些创新之所以成为可能，是因为于当时美国在数学和科学教育方面处于世界领先地位。

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Imam Shakir says he wants teachers who are trained and educated in the United States and who understand American society.

VOA: special.2010.08.05

By 1860 there were approximately 4,000,000 slaves in the United States, the second largest slave society slave population--in the world.

截至1860年,美国大约有,四百万的奴隶,也因此使之成为了,世界历史上的第二大奴隶社会

耶鲁公开课 - 美国内战与重建课程节选

and what implications that has on our society here in the United States and throughout the world.

以及他们对于我们美国社会和整个世界的启发。

有趣的课程 - SpeakingMax英语口语达人

Watson resigned as president and executive director of the conservation society in the United States and as president of the society in Australia.

CNN: STORY HIGHLIGHTS

It is not extremism to observe that these Obama initiatives could have very far-reaching and negative implications for the United States, its society and security.

CENTERFORSECURITYPOLICY: Free speech, but not for me?

This remarkable achievement shines a light on the extraordinary scientific progress being made in the United States to empower society with the tools to solve important challenges and unleash new possibilities for the future.

WHITEHOUSE: U.S. Scientist Wins 2012 Nobel Prize in Physics