He was old - fashioned about cash , and always insisted on using his own portamento for fear of information in his card being stolen using his counterparty s portamento , notwithstanding the privacy protection device now built in to all smart cards 对于现金，他比较传统，即使所有聪明卡都有私隐保障装置，他仍然坚持用自己的轻便钱箱，以免被交易对手盗取卡上的资料。
2.
He inserted his smart card in the payer slot of his " portamento " , as the palm - sized debit credit machine was called , and punched in his pin to agree to have the amount of the bill debited from his card and credited to the supermarket s card in the payee slot 他把聪明卡插入他自己的轻便钱箱手掌大小的电子收支机的付款槽，输入个人密码，表示同意自他的聪明卡扣除帐单所示款额，并把款项支入已插在收款槽里超级市场的聪明卡。
