单词	zero sum
释义	zero sum [ˈziərəu sʌm] 零和
随便看	North Houston North Hykeham North I. northiam northiana Northill anchor North India North Indian North Indians North Industry northing northing line northings Northington north ireland North Island North Island brown kiwi north island edelweiss north island edelweisses North Islander north islands North Judson North Kanara North Kanara Dist. North Kanin Bank 清官不打送礼的清官难出猾吏手清官难当清官难断家事清官难断家务事。清官难断家务事，光棍不吃眼前亏清官难逃滑吏手清官骑瘦马清宵庭树下凉飔，蟋蟀吟秋声正悲。清川带长薄，车马去闲闲 35738 35739 35740 35741 35742 35743 35744 35745 35746 35747