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Use "sum-up" in a sentence
"However, since I do not have the time, I will sum-up my opinion in a few words."
"I agree with every beat of this article on principle until your sum-up."
"For those curious, this was my second time ever playing this system and here's a quick sum-up of my experience: Wii Sports is fun and exhausting, Mario Kart is impossible to play with the wheel controller, and it is amazing how close my Mii actually resembles, well, me."