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Use "back-and-forth" in a sentence
"There is always a bar waiting to serve you a drink that makes you spiritually paralyzed and disconnected from the trying, though exhilarating, back-and-forth motion between the magnetic poles of good and evil."
"Now Brother Ed speeds up the music, and I shout out a line that the choir answers as a back-and-forth musical call."
"Wisner and Mubarak are friends, and the officials said the two had a back-and-forth discussion in which each provided the other with his perspective on developments."