However, concerns have been raised that blocking off alleys does not cut crime, just displaces it.
BBC: NEWS | UK | Wales | South East Wales | Alley gates 'help cut crime rate'
For there will be a greater supply of the scrap that displaces the ore.
But most federal and state spending merely displaces private activity by taking money and resources from the market.
Soda often displaces more healthful items in the diet and is a warning sign of a poor quality diet.
So how could a government agency then turn around and say: spending on one thing displaces spending on another?
FORBES: A Revealing Ad Exposes The Department Of Energy's Hypocrisy
That must mean that if and when Costco opens a store it displaces three times as many jobs as a WalMart does.
FORBES: Of Course WalMart Destroys Retail Jobs: That's The Darn Point Of It All
He displaces the grief and the shame he feels onto the bellboy.
As the virtual world displaces the physical, the idea that Yahoo!
But some critics of the visa program say it displaces qualified Americans and that companies hire foreign workers because they command lower salaries and fewer benefits than Americans.
Ultimately, FaceTime enhances rather than displaces the dominant instant-messaging software.
That displacement of the ocean floor also displaces ocean water.
MSN: Why this Indonesia quake didn't spark a monster tsunami
Harvard Business School professor and disruption guru Clayton Christensen says that a disruption displaces an existing market, industry, or technology and produces something new and more efficient and worthwhile.
Two well-known cynics, David Pimentel of Cornell and Tad Patzek of UC, Berkeley, calculate that producing a gallon of corn ethanol consumes 29% more fossil fuel energy than the ethanol displaces.
The Muse, however, turns out to be a demanding and flighty broad who moves in on the screenwriter and displaces him from his own bed, and her suggestions for movies are banal.
It comes complete with 15- or 14.1-inch displaces, Mobile P4 processors, up to 40 MB of storage and a choice of CD-ROM, CD-RW, DVD or a drive that can handle all of the above.
Anti-terrorist spending displaces, as well as reduces, terrorism.
For many, it's now only a matter of time before the Chinese currency displaces the dollar as the world's reserve currency - or at least becomes a major secondary reserve currency like, er, the euro or the yen.
应用推荐