0 A once-in-a-lifetime experience or opportunity is very special because you will probably only have it once: --
A tour of Australia is a once-in-a-lifetime experience.
It is a once-in-a-lifetime vote.
It was a once-in-a-lifetime experience, above all because the event had been preceded by a long process involving a great deal of work on both sides.
For so many of our children, the once-in-a-lifetime opportunity of learning the foundation for a successful, prosperous and independent life is negligently and needlessly blotted out.
In many areas the offer of unfurnished accommodation is a once-in-a-lifetime opportunity because of the acute shortage of such housing.
Initially, it thought that it was a once-in-a-lifetime problem that, having been dealt with once, would not have to be revisited.
However, we know that it is a once-in-a-lifetime experience.
That concluded that it was not possible to create such a unique, once-in-a-lifetime project at lower cost.
Our proposals represent a once-in-a-lifetime opportunity to improve the electricity supply industry.