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Jyutping wun6 cung1 kei4
Pinyin huǎn chōng qí

Definitions (Wiktionary)
  1. noun
    buffer period; mitigation phase; grace period

[-]

Jyutping wun6 cung1 kei4
Pinyin huǎn chōng qī

Definitions (Wiktionary)
  1. noun
    buffer period; mitigation phase; grace period