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Jyutping nim1 sing3
Pinyin nián xìng

Definitions (Wiktionary)
  1. noun
    stickiness; viscosity
  2. noun
    engagement (of customers, users, etc.)
    • 顧客粘性
      顾客粘性
      gù kè nián xìng
      customer engagement
    • 用戶粘性
      用户粘性
      yòng hù nián xìng
      user engagement
Examples (Wiktionary)
  1. Mandarin
    顾客粘性
    顧客粘性
    gù kè nián xìng
    • customer engagement
  2. Mandarin
    用户粘性
    用戶粘性
    yòng hù nián xìng
    • user engagement