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Jyutping gung1 si1 saam1 ming4 zi6
Pinyin gōng sī sān míng zhì

Definitions (Wiktionary)
  1. noun
    club sandwich

公司三明治 [-----]

Jyutping
Pinyin gōng sī sān míng zhì

Definitions (CC-CEDICT)
  1. club sandwich