"I do not know the volume. The volume is uncertain. There is a large uncertainty range around the 5000 barrels.

VOA: standard.2010.05.02

No wonder that with an uncertain voice coming out of the White House, Americans will have their doubts,".

VOA: standard.2009.09.22

says the whirlwind of activities leading up to the Oscars leaves him uncertain how he feels about his nomination as best actor.

VOA: standard.2010.02.18

With many facing an uncertain employment future, trust in the financial institutions and in politicians has evaporated.

VOA: standard.2009.03.28

Progress is not going to be even. There is going to be a period where it is going to feel very bad still and very uncertain.

VOA: standard.2009.04.05

I think we have to continue in an uncertain situation to be aggressive."

VOA: standard.2009.05.03

There seems to be no going back and the way forward remains uncertain.

VOA: standard.2010.06.15

Yet traveling back to smog-bound Beijing, past industrial factories, high-rise apartment blocks under construction,shopping malls and the ever growing number of cars, the future once more looks uncertain.

VOA: standard.2010.08.03

But Weissman says the survey by Green Seal and the firm EnviroMedia Social Marketing shows that consumers are uncertain how to tell whether a product helps the environment.

VOA: standard.2009.03.30

General Myers acknowledges that process has been made more difficult by the uncertain outcome of the Afghan presidential election, and allegations of widespread fraud by supporters of President Hamid Karzai.

VOA: standard.2009.10.16

"Production of vaccines remain highly uncertain and highly antiquated."

VOA: standard.2010.04.29

Now,says Koldowski, the outlook is uncertain.

VOA: standard.2009.04.28

His trip comes at a critical time with the results of the country's presidential election still uncertain and worries a disputed outcome, due to allegations of widespread ballot box stuffing, could spark further civil violence.

VOA: standard.2009.09.04

That is our mission,". "And the president described it in no uncertain terms in his inaugural when he said, 'Our nation is at war against a far-reaching network of violence and hatred.' And to win this war against al-Qaida, the administration continues to be unrelenting, using every tool in its toolbox and every arrow in its quiver,"

VOA: standard.2009.08.06