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Use "on-the-fly" in a sentence
"Do we really want to force a fast moving, high volume processing center like a courthouse to make on-the-fly decisions when religious accommodations clash with security concerns?"
"That forces me to figure out how to come up with solutions that really would work rather than falling back on sudden amazing events or major on-the-fly technological breakthroughs that miraculously solve the problem."
"You can also put together an on-the-fly set list of the songs you're in the mood to hear in that particular moment."