But it also contains cards for unusual occasions, such as after a breakup, to flirt, and as a "cry for help".

Was the party an unusual occasion?

Even the sight of a national candidate must have been a rare and unusual occasion.

A blend that I had put away for unusual occasions.

This is an unusual and sad occasion because the man we elected as Lord Mayor twelve months ago is no longer with us.

By and by, except on unusual occasions, the men never carried any water at all, leaving the task to the women and larger children.

That it was a somewhat unusual occasion was not lost on anyone.

I tend to enjoy unusual occasions such as those.

The adults in the crowd were turned out in their best clothes for such an unusual occasion and laughed at the antics of the children.

On unusual occasions there could be a weak downburst and small hail.