At best, a mere 300m of the country's billion-odd people are middle-class; only 60% are literate.

印度10亿多人口中，中产阶级充其量只有3亿；识字人口仅60%。

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The Ensure class is analogous to JUnit or TestNG's Assert type; however, it adds a series of methods that facilitate a more readable API (this is often called literate programming).

Ensure类类似于JUnit或TestNG的Assert类型；但是，它增加了一系列方法，提供了更具可读性的API（这常被称作文学编程）。

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Between 1990 and 2005 more than 1 billion people worldwide entered the middle class. As they get richer they become more literate, which fuels information growth, notes Mr Cortada.

Cortada先生说，在1990年和2005年之间，有十亿人成了中产阶级，当他们变得更富有，他们也变得更能使用文字，因此为信息膨胀火上加油。

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Between 1990 and 2005 more than 1 billion people worldwide entered the middle class. As they get richer they become more literate, which fuels information growth, notes Mr Cortada.

Cortada先生说，在1990年和2005年之间，有十亿人成了中产阶级，当他们变得更富有，他们也变得更能使用文字，因此为信息膨胀火上加油。

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