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Jyutping sin6 gaa2
Pinyin shàn jià

Definitions (Wiktionary)
  1. noun, literary
    good price

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Jyutping sin6 gaa2
Pinyin shàn gǔ

Definitions (Wiktionary)
  1. verb, literary
    to be good at business; to be good for business
  2. noun, literary
    someone who is good at doing business