And three: the amount of caffeine varies greatly.

VOA: special.2009.07.22

Although the legality of office betting pools varies from state to state, experts estimate that billions of dollars are wagered on the tournament.

VOA: standard.2009.03.25

The price of a smoke varies widely across the United States, because each state sets the tax imposed on the retail sale of a pack of cigarettes.

VOA: standard.2010.08.11

The extent of illegal logging varies widely by exporting country and species.

VOA: standard.2010.05.28

"It is complex difficult terrain, both the land and the people, it is a tribal society with a culture vastly different from what most of us are familiar with and it varies around the country, so you cannot assume what is true in one province is true in another,".

VOA: standard.2009.10.01