It is said to be most-useful to athletes in endurance sports such as cycling and distance-running.

VOA: special.2011.04.12

It never comes back to the United States. Robyn Nietert says the income created by these loans is not only useful for the individual women and their families.

VOA: special.2010.06.16

Some consider it an election ploy. But other surveys show the majority of French believe it is a useful conversation.

VOA: standard.2009.12.30

State Department Spokesman P.J.Crowley said the United States welcomes the visit by President Lula, but that it is doubtful it will yield anything useful.

VOA: standard.2010.05.14

She says health facilities are a fundamental part of community life and it is important they are designed to be useful in case of emergency.

VOA: standard.2009.10.14

I think it's very useful. It may not be immediately apparent to people in Darfur, but in the end it is a contribution towards a solution to their problem."

VOA: standard.2009.10.23

"It is a useful instrument for the villagers.

VOA: standard.2010.05.25