The iPhone is in extremely high demand among China's growing middle class, and China Mobile responded last year by offering its customers a microSIM card that fits the iPhone 4.
A wild-card consisting of two asterisks matches zero or more whole nodes and can be used at the beginning, middle, or end of a name. Valid examples include.
由两个星号构成的通配符将匹配零个或多个节点，并且可以在名称的开头、中间或结尾使用。
3
then you're safely a card-carrying member of the middle class!