Bringing legal proceedings to deport an estimated 12 million undocumenteds would be unrealistically expensive.
Problems arise when the optimistic proponents are unrealistically optimistic about how the new technology will perform.
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Don't set yourself up for failure by starting each day with an unrealistically long agenda.
Unscrupulous Ginnie Mae salesmen quote unrealistically high returns to investors, and the victims' common sense is overwhelmed.
But unless something is done quickly to stabilize the value of the dollar, these projections are unrealistically low.
Doctors, it turns out, are prey to all kinds of unrealistically optimistic impulses.
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We have only 4, 000 points or nearly 40% on the Dow to get back to where we stood unrealistically in October 2007.
The unrealistically high salary levels from Spain to Greece created overconsumption in these countries, while hollowing out their industrial bases.
He said some young people had unrealistically high expectations and expected to be like the co-founder of Facebook, Mark Zuckerberg.
The woes of Lehman Brothers, Washington Mutual and Wachovia suggest that many banks are still carrying assets at unrealistically high values.
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The Mars One plan has incredibly tight timings - possibly unrealistically tight.
Badly thought out rules can make the aliens and soldiers react unrealistically.
Many are still holding assets, particularly whole loans, at unrealistically high values.
An even bigger risk for taxpayers is that elected officials will assume unrealistically high returns to rationalize skimping on contributions to the fund.
People were promised radical changes and they expect to see them, even if those expectations had been unrealistically encouraged in the first place.
"Dickens came up with two endings - one which is incredibly bleak and one which is unrealistically romantic and sentimental, " he said last November.
Those persuaded to sell are likely to demand unrealistically high prices.
It is believed to have set a target of 75 seats (out of 120) in parliament -- a goal that many observers view as unrealistically high.
There are times and places when they are unrealistically low (New York City, 1975), and times and places when they reach bubble proportions (Palo Alto, 1999).
We're suckers for speedy, unrealistically optimized boot times.
Even if it were to remain in place over the entire coming decade (as all large-number commentaries unrealistically assume), it would only reduce the rate of growth in future spending, not cut spending.
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While this might be an unrealistically high number for you, it pays to aim for at least two a week, a number that would put you firmly in the high value networking camp.
Whether they are called Millennials, Digital Natives, or Generation Y, people under the age of 30 are typically portrayed as having unrealistically high expectations for their career and over-inflated sense of their abilities.
Andy was also unlucky to have immediately followed the greatest stretch of American tennis in the history of the sport, because doing so raised the expectations of American tennis and sports fans unrealistically skyward.
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And the report also stated that over-optimism among defence chiefs and the defence industry led to unrealistically low estimates of the cost of major pieces of equipment, which later have to be revised upwards during production.
Firms that had used unrealistically low cost estimates for extracting oil from ageing fields have suddenly been bailed out of trouble by the price rise, which makes extraction viable, and thus reserves proved, even at a higher cost.
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