花旗银行将开始测试一款带有一对按钮和小指示灯的信用卡，用户在结账时可以选择使用积分还是信用付款。
Citibank will begin testing a card that has 2 buttons and tiny lights that allow users to choose at the register whether they want to pay with rewards points or credit.
其中一种“多帐号”智能信用卡在其表面上有两个按钮，每个按钮拥有一个指示灯，你一按就能够将帐号数据记录到它的磁条上。
The "MultiAccount" card has two buttons on its face, each with an indicator light that can be pressed to record data to its magnetic strip.
当这些按钮之一是推动下，在前面和后面的蓝色系统状态指示灯闪烁液晶显示器面板，直到其中一个按键被按下了。
When one of these buttons is pushed, the LCD panel on the front and the blue system status indicator on the back blink until one of the buttons is pushed again.
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