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Jyutping doi6 gam1 hyun3
Pinyin dài jīn juàn

Definitions (Wiktionary)
  1. noun
    coupon; voucher
    (syn.) 代币券, 代幣券
Examples (Tatoeba—Mandarin-English)
  1. Mandarin
    能给我们一张代金券吗?
    能給我們一張代金券嗎?
    néng gěi wǒ men yī zhāng dài jīn quàn ma ?
    • Can we get a voucher?