His company is testing, with KeyBank, a system that allows a customer to punch his PIN number into a phone before making a purchase, in effect turning the phone into a credit card.

• 万事通卡公司正在通过keybank进行测试。KeyBank是一种让客户在购物之前在手机里输入密码将手机“变成”信用卡的电子支付系统。