Sentence examples for this a once from inspiring English sources

QUESTION FROM GUEST: Is this list going to follow a more regular schedule going forward, or is this a once a decade-plus kind of thing?

The National Drought Mitigation Center calls this "a once in a generation type of event".

The short answer is this: a once-in-a-decade definitional change.

The coalition government's considered approach to the challenges in the justice system was welcomed by penal reformers, who considered this a once-in-a-generation opportunity to deliver real change.

To appreciate the utility of the new scale, which was intended to be analogous to the Richter scale once used to measure earthquakes, consider the question that investors faced as stocks plunged last September: Was this a once-in-a-lifetime market blowout, one from which it would take several years to recover?

It is easy to heap blame on Mt.Gox's founders and call this a once-in-a-lifetime calamity, but the context behind the company's demise is far more pernicious and occurs far more frequently than it should in the tech community.

Is this a once-in-a-lifetime adventure or a leisurely family activity?

"This is a once in a lifetime opportunity," he said.

They felt this was "a once in a lifetime opportunity".

This is a once in a lifetime deal".

"This is a once in a lifetime job".