The ten Russian agents cannot return to the United States without special permission.

VOA: special.2010.07.10

But he also says Americans cannot return to a "borrow-and-spend economy."

VOA: special.2009.05.29

In accordance with their plea agreement, the suspects cannot return to the United States without special authorization.

VOA: standard.2010.07.09

Travelers waiting around here are missing out on income because they cannot return to work, like this French physical therapist hoping to get back to Paris.

VOA: standard.2010.04.19

She says people might have difficulty completing an activity if they cannot expect some kind of reward in return.

VOA: special.2009.09.29

But,they cannot order new ones until they return the ones they have.

VOA: special.2009.09.25