But for employers, having their staff continually improving their skills is a double-edged sword.
Most importantly, leverage is a double-edged sword and could have dire financial consequences for a retiree.
In such an environment, the information that an EITI can gather and disseminate is a double-edged sword.
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While the fall of the greenback has aided manufacturing, a free fall of the American currency is a double-edged sword.
It turns out that this kind of mix-'em-up creativity is a double-edged sword for a man of Powell's clout in the industry.
"Choice is a double-edged sword, " says QuantumShift Chief Executive Scott Schaefer .
Managing our expectations is a double-edged sword: we need one side for opening ourselves to expansion, and the other, for warding off the expectations of others.
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The realistic handling of the cars is a double-edged sword because it can be a bit frustrating at first when you spin out on practically every lap.
Transactional privacy in the digital age is a double-edged sword.
Of course, being a technology company is a double-edged sword.
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"There is no doubt this is a double-edged sword but we don't need to turn the reins over to another stranger, " Dabney said in a telephone interview with The AP.
But for the Democrats, reform is a double-edged sword: with Republicans controlling both the White House and Congress, credit for any successful overhaul is more likely to go to them than to the Democrats.
Jon Reynolds, chief executive of smartphone keyboard-technology maker SwiftKey, said Samsung's success with the Galaxy S III is a double-edged sword, building interest in the new product while also heightening expectations and the chances of disappointment.
"This really is a double-edged sword, " says Ron Duncan, Johnson County's economic development director, standing on a corner in downtown Vienna, the once-bustling county seat that now has just a handful of businesses and government offices.
However, military spending is a double-edged sword that can thoroughly distort the behavior of markets even as it is creating millions of jobs, and companies that decide to do business with the Pentagon often come to regret it.
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The title is a double-edged sword.
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Technology is a double-edged sword.
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This initiative is, unfortunately, a double-edged sword, which, while promising some potential cost-savings, will also slash critical advantages in U.S. technological superiority by forcing weapons systems to use the same decontrolled technology potential enemies are now allowed to build their own weapons around.
Even the use of ammonium hydroxide can be a double-edged sword, since ammonia is perceived to be a noxious substance (although BPI effectively explains the benefits of the process on its website).
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