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。

youdao

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。

youdao

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

youdao

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

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

FORBES: Magazine Article

And back before she was a newly-elected Senator, Elizabeth Warren was trying to get the word out about the nastiness of credit card debt ruining the middle class.

FORBES: Let's Talk About Debt: How Rolling Jubilee Aims to Strike at the Crisis

The company essentially cuts out credit card companies which act as middle men and take a percentage of every transaction.

FORBES: In the Midwest, Reddit finds a thriving startup culture