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Jyutping ling4 wo4 jau4 hei3
Pinyin líng hé yóu xì

Definitions (粵典–words.hk)
  1. 名詞
    一場​博弈​,​指某​一方​所得​等​於​另一方​所失
    zero-sum game
Definitions (Wiktionary)
  1. noun
    zero-sum game
    (syn.) 零和博弈