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Jyutping sang1 caan2 gwaan1 hai6
Pinyin shēng chǎn guān xì

Definitions (CC-CEDICT)
  1. relations between levels of production
  2. socio-economic relations
Definitions (Wiktionary)
  1. noun, Marxism
    relations of production
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)