During the first half of the nineteenth century, leaders of the United States could find no answer to the question of slavery.

VOA: special.2009.03.26

What's interesting is when--around when I was born the answer in the United States was about half.

但有趣的是…在我出生的时候,会投给黑人的美国人只有一半。

耶鲁公开课 - 心理学导论课程节选

And answer a listener question about the most literate cities in the United States .

VOA: special.2009.03.27

One answer is for states and federal authorities to review other crimes for which mandatory minimum sentences are too stringent.

WSJ: William Daley and Roseanna Ander: Don't Take Your Guns to Town

Fully implement energy efficiency and build clean renewable alternatives with storage capabilities in the mean time- absolutely the best economic answer for the United States.

FORBES: The Future of Nuclear Power: Cheaper and Safer?

But from a taxpayer perspective, either in Europe or the United States, the answer is no.

FORBES: Should American Taxpayers Finance Another Big Fat Greek Bailout?