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.

iPhone手机在中国日益庞大的中产阶层倍受追捧。 为了满足这一需求，去年中国移动推出了iPhone 4专用的微SIM卡。

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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。

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then you're safely a card-carrying member of the middle class!

那你就是中产阶级的正式一员了

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One council diplomat said Lebanon could prove to be something of a wild card on Middle East issues particularly Iran's nuclear ambitions.

VOA: standard.2009.10.15

In addition to the video vignette, other digital content that will be made available during the premiere includes a coroner's report for the murder victim, a crime-scene photo that only gets briefly displayed on TV and a middle-school report card for Bullet.

WSJ: TV Networks Play to 'Second Screen'

As a result, every type of company involved with a debit card transaction, from the middle-man payment processing service to the company that owns the processing network to the bank that issues the card stands to have reduced revenue than they would have had otherwise.

FORBES: Credit Card Users May Pay an Additional Fee

Like Providence, Baltimore has less credit card debt because its middle-class population is dwindling.

FORBES: Magazine Article