Usages of gyotongkadeu
지갑에 동전이 없어도 교통카드가 있으면 지하철을 탈 수 있어.jigabe dongjeoni eobseodo gyotongkadeuga isseumyeon jihacheoreul tal su isseo.
Even if there are no coins in your wallet, you can take the subway if you have a transit card.
버스를 탈 때는 교통카드 잔액을 미리 확인하곤 해.beoseureul tal ttaeneun gyotongkadeu janaegeul miri hwaginhagon hae.
When I take the bus, I often check my transit card balance in advance.
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