They are just as much a noble class as the nobility of Britain or Spain.

他们同英国和西班牙贵族是同样的贵族阶层。

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Qingdafu is the largest-scale noble class under the leadership of the king.

卿大夫家族是国君统御之下规模最大的贵族阶层。

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Here is a simple example of normal inheritance. We define a Noble base class, with subclasses such as Prince, Duke, Baron, etc.

这里有一个普通的继承的简单例子，我们定义了一个Noble基类，它有子类Prince, Duke, Baron等等。

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His mother grew up in an upper-middle-class family but was descended from less-than-noble traders and farmers.

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South Boston's city councillor, Jimmy Kelly, says the motives for the deals are noble ones: to make sure gentrification doesn't displace his longtime, working-class constituents.

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Noble-prize winning economists such as Paul Krugman say the U.S. is quickly losing its own middle class.

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