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Jyutping bit1 jin4 wong4 gwok3
Pinyin bì rán wáng guó

Definitions (CC-CEDICT)
  1. realm of necessity (philosophy)
Definitions (Wiktionary)
  1. noun, Marxism
    realm of necessity
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)