a card that you buy in order to make telephone calls from public telephones, etc. It allows you to make calls up to the amount that you have paid. (预付费)电话卡◆an international pre-paid calling card 国际预付费电话卡
a card that you use to make telephone calls from public telephones, hotels, etc. and pay for them later with your home telephone bill (在公用电话、宾馆等场合使用,和家庭电话账单一起付费的)电话卡➡charge card