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Jyutping gu3 man6 baan1 zi2
Pinyin gù wèn bān zi

Definitions (Wiktionary)
  1. noun
    think tank; brains trust; brain trust
    (syn.) 思想庫, 智囊集团, 思想库, 智庫, 智囊集團, 智囊團, 智囊機構, 智囊团, 智囊机构, 腦庫, 脑库, 頭腦企業, 智库, 智囊班子, 头脑企业