英语语法分析

Most banks have a prepaid bank card designed for young people.

大多数银行都有专为年轻人设计的预付银行卡。

Multiply $3 by the more than 5 billion magstripe credit and prepaid cards in circulation in the U.S.

美国现在流通中的磁条信用卡和储值卡超过50亿张，我们可以用这个数字乘以3美元。

Prepaid smartphone data plans are also available.

也可以采用预付智能手机数据计划。