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Jyutping san4 saa1 gei1
Pinyin shén shā jī

Definitions (粵典–words.hk)
  1. 名詞、術語
    收集​神沙​兑換成​同等​面​額​嘅​電​子​貨​幣​嘅​機​器​(​量​詞​:​部​)
    kiosk to collect coins and convert them into digital currency