ze.ro-sum
adj.（形容词）Of or relating to a situation in which a gain is offset by an equal loss:零和：得失互抵情形的或与其相关的：例句：.. . .under the zero-sum budgeting system that governs federal spending, the money for spinal research is likely to be deducted from some other research account.(Daniel S. Greenburg).由于采用零和预算制度控制联邦政府的支出，用于脊椎研究的费用可能会从其它研究预算中扣除.(丹尼尔·S·格林伯格)
