Officials say paying with smart cards ensures the water is dispensed in an orderly manner.

官方称用支付可以确保有序售水。

How people exchange value is being redefined, with virtual banks and smart cards and some exciting new devices

虚拟银行、以及一些令人激动的新设备使得人们交换价值的方式被重新界定。

Smart cards and tokens can be lost or stolen.

和令牌可丢失或被盗。

To pay for their purchases, people will use smart cards, which contain a tiny chip, instead of cash.

为了支付购买费用，人们将使用包含微型芯片的代替现金。

Another approach is to add a slot to mobile phones for a second smart card designed for mobile e-commerce.

另一种方法是在手机上增加一个插槽，用于为移动电子商务设计的第二张。

NFC is a short range of encrypted wireless system that will let users swipe their phones in other gadgets over a payment terminal similar to smart card technology found in some debt and credit cards.

NFC通过短距离的无线加密系统，在类似于片的支付终端机器上轻轻一刷手机，就进行支付和查询。