They say their findings offer one reason why the custom of cursing may have continued for so long.

VOA: special.2009.08.18

And here is at least part of the reason why: Since late July the government has been paying for people to trade in older vehicles for newer ones with greater fuel economy.

VOA: special.2009.08.07

"If you put me to the test and said, 'Choose one reason why you garden and why you bake,' it's for the food."

VOA: standard.2010.07.16

Henderson says that is another reason why it takes long time for him to build a guitar.

VOA: standard.2010.07.06

"I think we have to explain why this alliance that was started 60 years ago for a totally different reason is something that's important now.

VOA: standard.2010.06.11

I meet with my teachers and they are very experience and intelligent people and the reason why I chose political science is because I have always had a passion for politics,".

VOA: standard.2009.12.14