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  1. Oxford American Dictionary

    zero-sum

    • IPA[ˌzirōˈsəm]

    美式

    • adj.
      relating to or denoting a situation in which whatever is gained by one side is lost by the other
    • 釋義

    形容詞

    • 1. relating to or denoting a situation in which whatever is gained by one side is lost by the other altruism is not a zero-sum game he heard that international trade was essentially a zero-sum competition between nations