Researchers have been studying two groups of men in the United States of America (USA) with one primary aim – to discover what it takes to live well.

在美利坚合众国（美国），在如何才能生活得好这样一个基本目标下，研究人员一直对两组对象同时进行研究。

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There are no reliable global prevalence figures, but a 2005 study estimated a global incidence of 0.97 per 1000 live births based on research in the United States of America (USA).

目前尚无可靠的全球发病率数据，但2005年的一项研究显示，根据美国的研究，全球的发病率为每1000例活产0.97人。

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Let's pretend that our sister Jane is getting married on June 3 in Orlando, Florida, USA, and we live in San Diego.

让我们假设Jane姐姐将于6月3日，在美国佛罗里达州的奥兰多结婚，而我们住在圣地亚哥。

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And to watch live coverage of the Inauguration on Tuesday, go to our Web site, voaspecialenglish.com and click on USA Votes 2008.

VOA: special.2009.01.16

When an old friend moved to Huntington Beach,California - a Pacific coast city nicknamed Surf City,USA - he realized it was time to live his dream.

VOA: standard.2010.08.04

The students in Harrisburg, including those from Malaysia, China, Peru and Chile, said they were attracted by ads on their university bulletin boards and websites, such as one by a company called Out of the Box Personal Development in Kuala Lumpur, touting "a unique opportunity to live life in the USA up close and personal!"

WSJ: Guest Worker Visa Troubles Visit McDonald's

All of us born in the USA are lucky to live in a country where we are given the right to vote.

FORBES: Seduction Of The Anecdote: 8 Steps To Trust Your Gut, Presidential Debates 2012 Edition

For the most part, tribal demonstrators in Salt and elsewhere are as keen to show their support for king and country as they are to shout "Down, down USA" and "Long live Saddam Hussein".

BBC: Jordan tribes' despair over Iraq