The population keeps moving around, so after each head count some states gain and others lose members in the U.S.

VOA: standard.2010.02.03

It's like watching the U.S. Open and thinking you're some kind of a player.

就像你看美国网球公开赛,想象自己是个选手

耶鲁公开课 - 基础物理课程节选

One question that comes up is that maybe-- this is for the U.S. data-- and some people say, well, maybe, why are we looking at the U.S.?

这又产生了一个新问题,这是采用美国市场的数据得出的结果,有些人会问,为什么光研究美国市场呢

耶鲁公开课 - 金融市场课程节选

Some experts see parallels between the Afghan strategy debate and the escalation of U.S.involvement in the Vietnam War in the 1960s.

VOA: standard.2009.10.09

That's the some of delta u in these two paths and if we look at delta u in just path A, it's zero.

这是这两条路径△U的和,如果我们要看路径A的△U，它也是零。

麻省理工公开课 - 热力学与动力学课程节选

And it probably helps that U.S.President Barack Obama has said some brands of Honest Tea are his favorite beverages.

VOA: standard.2010.02.17

Some business groups complain that the proposed tax changes will impose new costs on U.S.firms and make them less competitive in the global marketplace.

VOA: standard.2009.05.04

Some analysts suggest that the NATO troops in Kosovo could be redeployed to Afghanistan where U.S.and NATO forces are battling a strong Taliban insurgency.

VOA: standard.2009.06.11

These are some of the experiences Musabih shared with U.S.law enforcement and social agencies gathered at the University of Dayton,Ohio for the Human Trafficking Accords.

VOA: standard.2009.11.13

It involves moving thousands of U.S.forces stationed on Okinawa, building a new air base and re-locating some of the troops to Guam, among other aspects.

VOA: standard.2009.10.18

A conflict the U.S.fought and lost some 40 years ago has come back to haunt a young president, his advisors,his generals, and the country he governs.

VOA: standard.2009.09.09

Some international journalists have described the president as aloof, and significant differences remain with some U.S.allies over how to handle the international financial crisis and the war in Afghanistan.

VOA: standard.2009.04.03

Senator Christopher Dodd, who sponsored the bill, says the financial meltdown that led to the collapse and subsequent bailouts of some of the largest U.S.firms shows the current regulations are inadequate.

VOA: standard.2010.03.16

In an emotional speech on the floor of the Senate, Veteran-Democrat Robert Byrd, suggested the U.S.military mission and Afghanistan has become lost in what he called some broader scheme of nation-building.

VOA: standard.2009.10.15

However,the U.S.State Department says Holbrooke will meet with relief organizations and some of the Pakistanis who have been forced from their homes during Pakistan's month-long campaign to dislodge militants from Swat Valley.

VOA: standard.2009.06.03

But the Palestinians say the freeze is not enough to revive U.S.-sponsored peace talks because it does not include disputed East Jerusalem and some 3,000 Jewish homes already under construction in the West Bank.

VOA: standard.2009.12.10

Two reports by the U.N. peacekeeping force in the DRC and the Office of the U.N.High Commissioner for Human Rights describe some particularly heinous crimes committed by rebel groups and Congolese armed forces.

VOA: standard.2009.09.12

Still,Mr.Obama's critics say his trip to China will be a test of whether the U.S and China can develop better ties, and whether American acquiescence on some issues will produce concrete results on others.

VOA: standard.2009.11.10

Some 100,000 U.S.and NATO troops are currently in Afghanistan, but increasingly casualty figures and concerns about a growing Taliban threat and an ineffective and corrupt Afghan government have led to diminishing public support for the war.

VOA: standard.2009.11.13

U.S.officials acknowledge that, even if the situation in Afghanistan begins to turn during the next 12 months, the U.S.withdrawal will likely be very gradual, and some number of international troops will be needed in Afghanistan for many years to come.

VOA: standard.2010.07.22

Since the United States took the lead in handling logistics for the international aid effort, some medical groups as well as French and Brazilian officials have complained that U.S.military planes were given priority to land, forcing other flights to the neighboring Dominican Republic.

VOA: standard.2010.01.26

The ethnic Uzbek leader, who was a candidate in the country's 2004 election, is widely reported to be at least partly responsible for the alleged massacre of some 2,000 Taliban prisoners after the U.S.-led invasion of Afghanistan in 2001 and a cover-up of the deaths.

VOA: standard.2009.08.17

But Pentagon Press Secretary Geoff Morrell says serious issues will be discussed related to the new government's decision to end a refueling mission for alliance ships supplying the international effort in Afghanistan and its concerns about plans to relocate some U.S.forces in Japan.

VOA: standard.2009.10.18

strategic objective." The defense secretary has given several hints of his views on the way forward in Afghanistan, including a speech earlier Monday in which he cautioned against an over-reliance on air power and high technology, which some officials believe should be used more in Afghanistan, instead of the additional troops the U.S.and NATO commander there wants.

VOA: standard.2009.10.06

But General McChrystal has warned that more are needed. On the contested outcome of last month's presidential election in Afghanistan, Spanta said voting "irregularities" are not unusual in emerging democracies and that the Independent Electoral Commission and the U.N.-supported Election Complaint Commission are working to address the complaints and recount some of the ballots.

VOA: standard.2009.09.29