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Use "unspent" in a sentence
"Take the remaining $400 billion in unspent Porkulous Act money."
"In the meantime, hundreds of millions of dollars donated to the Haiti remain unspent, and there are at least 3,000 NGOs and hundreds, if not thousands of international workers from places like the Red Cross, Oxfam and other humanitarian organizations."
"Seeman estimated that the county might have the same amount in unspent funds that would be available to cover the gap."