For example, it may be impossible to use a random sample.

It is impossible to predict when the shift will happen or what form it will take.

It may well be impossible to press ahead with the Treaty without any changes to the text.

It is difficult, but not impossible, to identify some extraordinary measures that would meet these tough requirements.

A formula for the integrand may be known, but it may be difficult or impossible to find an antiderivative that is an elementary function.

It may well be impossible to get the US to act before its presidential election in November.

Simply put, it may be impossible for authorities to determine whether or not a person is using a VPN for criminal activity.

The Impossible took place today.

But austerity can never be self defeating for the external adjustment.

That will not be easy in fact, it could amount to trying to square a circle.

A Bayrou victory, which is unlikely but not impossible, would constitute a triple revolution.

While it is impossible to prove that firms have reduced emissions at least cost, the necessary conditions for doing so exist.

Their interiors resemble the inside of a smooth plastic jar there are no hard edges hooks fold down there is no bedding that one can use to strangle oneself.

In fact, most of us do everything we can to avoid thinking about being wrong, or at least to avoid thinking about the possibility that we ourselves are wrong.

To be sure, it would be impossible to predict, under the currently favoured top down principle, how much temperature increase the world would have to bear.

It is impossible to anticipate the numerous financial products that human ingenuity can create, and that can be dangerous to use but of great value to some.

Otherwise, it will be impossible to achieve long term poverty reduction and inclusive growth.

For better or for worse, it may not be possible to turn back the clock.

Now, in the latest plot turn in the Grand Guignol theater that Australian politics has become, could the political execution of Gillard by her panicky colleagues, and the resurrection of Rudd, lead to a revival in the fortunes of the world s oldest labor party?

It is almost impossible for any outsider to understand Iran s real internal political dynamics.

If member governments are intent on bad candidates, it will be impossible to avoid them.

The implication is that it may be impossible to know the exact number of staff performing procurement functions in the decentralized organizations, which in turn makes it difficult to measure the cost of procurement or other performance dimensions.

It is, of course, impossible to be certain what will arouse such anger.

The transformation of economic structures occurs so quickly that it is virtually impossible not to notice though the complexity of the change is, at times, bewildering.

As Iraqi Colonel Omar Ali, the Iraqi battalion commander in Mosul, the main focus of the insurgency today, recently put it, Without the Americans, it would be impossible for us to control Iraq.

Yet lessons learned in dealing with exotic species, combined with recent mathematical models of the evolutionary dynamics of tumors, indicate that eradicating most cancers may be impossible.

Of course, this may not be the breaking point beyond which the debt burden becomes unsustainable.

Either the Chinese public is impossible to please, or Western executives are hopelessly wrong.

Of course, it is impossible to make serious inroads against poverty without generating persistent economic growth.

It was impossible to keep up with you.

If Putin unleashes his well developed apparatus of coercion, he will have played his last remaining card. Any resort to brute force to suppress demonstrations would finalize the regime s loss of legitimacy.

Given this multiplicity of issues, it is almost impossible to give a short term assessment of achievements, failures, progress and setbacks in any particular place.

The final deal is an elaborate piece of financial and political engineering whose ultimate effect is almost impossible to predict.

So an alliance between them would seem a near impossibility. Yet Europe seems bent on achieving the impossible, to the Continent s detriment.

In certain industries it could also mean that the stock is or will soon be impossible to sell.

Almost many of them are impossible.

As you can see, it's impossible to read.

It is impossible to live without water.

It's impossible to tell for certain.

It is difficult, but not impossible, to identify some extraordinary measures that would meet these tough requirements. They would have to tackle the banking and the sovereign debt problems simultaneously, without neglecting to reduce divergences in competitiveness.

The creation of any product requires many ideas, and sorting out their relative contribution to the outcome let alone which ones are really new can be nearly impossible.

But, so long as Russia is perceived as an energy blackmailer and not a partner, such cooperation will be impossible.

It is impossible to predict when Russia will detonate, but the system s fissures are undeniable and growing.

After all, many people here have been teaching the efficient markets hypothesis that financial markets around the world have become so competitive that it is impossible to make more than a normal return from investing. Anyone who beats the market must simply be lucky.

In the domestic setting, physical violence is often accompanied by sexual abuse, making it difficult, if not impossible, to have safe sex.