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Jyutping laam4 hoi2
Pinyin lán hǎi

Definitions (Wiktionary)
  1. adj, attributive
    blue-ocean

藍海 [蓝-]

Jyutping
Pinyin lán hǎi

Definitions (CC-CEDICT)
  1. (neologism) an unexplored, as yet uncontested market (contrasted with 紅海|红海[hong2 hai3])