off and on

California has imposed a tax on managed care organizations — health insurance providers that provide or arrange services for a monthly payment — off and on over time.

Cycle the heat off and on so as not to scorch the chowder.

But the kids are better off and on Monday they were inspiring messengers of hope running eternal.

She has been a part of the league off and on since 2001.

Danny Kahneman, the Nobel Prize winner who was my collaborator for 30 years off and on, recently died, and I have his ghost over my shoulder here.