Some economists now believe deflation is a serious possibility in what is, after all, the world's third-largest economy.
And, from time-to-time the world ending tomorrow is a serious possibility, so there is useful work to be done here.
These parties would not have given the go-ahead unless they were convinced there was a serious possibility that major illegalities had occurred.
Sir Richard had said a legal challenge was a "serious possibility".
Dr. Robert Gallo, co-discoverer of the human immunodeficiency virus (HIV) that causes AIDS, said last week there was a "serious possibility" no vaccine would ever be discovered.
Upping the ante, from the coins that tourists happily lose in the town's myriad amusement arcades to ten chips being lost across a green baize gaming table, is a serious possibility.
Wigan's Cleverley, on loan from Manchester United and clearly a top talent for the future, sent a composed finish beyond Green to pull a goal back, but a comeback was never a serious possibility for the visitors.
How serious a possibility that really is remains to be seen.
Thus, in addition to a wide range of other side effects, adverse events for MS drugs include the possibility of serious and even life-threatening infections.
And the possibility of serious weather-related injury would be minimized.
First, as Brito and Watkins suggest, there is the possibility for serious conflict of interest when the producers of cybersecurity solutions are also the main producers of our knowledge of cyber threats.
One thing that could happen is a solid, serious discussion of the possibility of unconscious or endemic sexism in an industry where the development talent and executive leadership remains overwhelmingly male, of the possible damage that might do and the ways one might address it.
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Anne Fitzgerald has noted "noises" from senators suggesting the possibility of a serious investigation and sees Republicans as well as Democrats under pressure from their voters to review the rendition policy.
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And while the NBA situation is potentially more serious because it involves the possibility of game fixing, it's unlikely that fans will dump watching pro hoops because a single referee got caught up with gamblers.
It can be serious in older people because of the possibility of complications like pneumonia.
So you cannot totally exclude the possibility that people can sometimes suffer serious health effects from this type of ammunition.
"For example, supermarkets are going to be well stocked up with food for the period, but if there are failures among seed growers, manufacturers, shippers, packers and aircraft, there is the possibility of food supplies getting into some serious muddle as we go further into the new year, " he said.
There is a possibility that a powerful solar flare could cause serious harm to satellites, but such potential events are pretty rare.
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While the announcement comes as no surprise to the street (the Postal Service has been warning of its possibility for years), it still holds serious implications for companies that depend on door-to-door delivery.
They made a serious run at outfielder Michael Bourn, but balked at the possibility of forfeiting a coveted first-round draft pick.
The introduction last week of two bills by the Chairman of the Joint Economic Committee (JEC) that would require a serious look at monetary policy suddenly makes such a breakthrough a real possibility.
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The mayor of Rome has said that the possibility that anti-Semitism played a part made the attack all the more serious.
Mr Skilling's defence team allege serious prosecutorial misconduct of the sort that ought to result in Mr Skilling's conviction being overturned, with no possibility of a retrial.
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