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Jyutping jau1 wai6 hyun3
Pinyin yōu huì juàn

Definitions (Wiktionary)
  1. noun
    discount coupon

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Jyutping jau1 wai6 hyun3
Pinyin yōu huì quàn

Definitions (CC-CEDICT)
  1. coupon
Examples (Tatoeba—Mandarin-English)
  1. Mandarin
    可以给我优惠券吗?
    可以給我優惠券嗎?
    kě yǐ gěi wǒ yōu huì quàn ma ?
    • May I have coupon tickets?
Examples (粵典–words.hk)
  1. Cantonese
    张优惠券过期作废。
    張優惠券過期作廢。
    zoeng1 jau1 wai6 gyun3 gwo3 kei4 zok3 fai3.
    • The coupon become invalid after a specified date.