But the study says it can be more economical in the long term than using fuels like gasoline, diesel or kerosene.

VOA: special.2010.01.11

The Obama administration says the earlier those in trouble can get help, the more chance for long-term success.

VOA: special.2009.02.20

The two time periods tested whether people were more likely to act differently in the short term than in the long term.

VOA: special.2009.03.03

And,she hopes that more travelers of all nationalities will see themselves as ambassadors who have a long term responsibility to the places they visit.

VOA: special.2009.04.22

Mr.Clinton added that Haiti needs all forms of help from trucks and toilets to more long-term investment.

VOA: standard.2010.01.28

The long term effects of breathing polluted air are even more alarming.

VOA: standard.2010.08.04

But some Democratic lawmakers contend the long-term key to defeating the insurgency in Afghanistan is not to send more foreign troops, but to speed training of Afghan security forces.

VOA: standard.2009.10.25

The long term solution to the traffic congestion problem, Clark says, is not building more roads, but changing the way we design our cities and how we live our lives.

VOA: standard.2010.07.26

And he said in order to keep terrorist groups out of Afghanistan for the long term, the United States must help the country establish what he called "a more capable and accountable" government.

VOA: standard.2009.03.27