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Use "must-have" in a sentence
"If you have some extra money in your bank account, it's incredibly easy to come up with new, short-term "must-have" purchases."
"Since the early twenty-first century, lol has been a must-have abbreviation.1 Devised by internet users, it conveys mirth—“laughing out loud”—that is invisible and inaudible in purely onscreen interaction."
"Still, Mr. Mackay said that Foster's is "not a must-have.""