But analysts say that the Argentine deal was probably a one-time thing.

It was a one-time thing, of course, she told herself that night, waiting for the television news.

Michele Williams has tried to make sure that her son's trouble with the law was a one-time thing.

She said it was a one-time thing because of the acoustics.

So I thought it might have been a one-time thing, maybe a drug reaction.

Probably just a one-time thing that didn't mean anything.

I thought it was going to be a one-time thing.

We must know if this is a one-time thing or something new.

Meeting the initial requirements, however, is not a one-time thing.

"This is an ongoing process and not just a one-time thing."