MiFi的便携性注定了它是特别灵活又特别实用的小玩意——而维珍的预付费模式、无限制的数据方案和非常便宜的定价更是使其灵活性倍增。
The MiFi’s portability has always made it an exceptionally flexible and useful little gadget — and Virgin’s prepaid model, unlimited data plan and dirt-cheap pricing just multiply that flexibility.
IC卡预付费方式与人工抄表方式相比有较大改进，但不适合于实时电价模式。
The payment in advance pattern using IC card is more convenient than manual kilowatt hour meter reading, but it is not suited to real time pricing mode.
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