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Use "holdups" in a sentence
"One of the biggest holdups is just finding a way to make graphene on an industrial scale."
"Many in Yemen speculate that one of the holdups might be the opposition's insistence that members of Saleh's family must be removed from their positions as well."
"A major league source said late Thursday one of the holdups is the Cubs' insistence on paying only cash for compensation while the Red Sox are adamant on receiving a player or a package of players."