카드로 지불할 수 있습니다. 카드 - card 로 - using/by
지불 - pay (N) 하 - to do/make (root of suffixable Verbinating V 하다) ㄹ - future suffix
수 - means/ability 있습니다 - have
Add them up backwards. Have ability to pay (in the future, whenever a purchase is made) using card
Smooth it out with a dummy subject, since context selects none directly, and natural wording. (I/You/One) can pay by card.