I suggest reading my article on saving data with the Persistent modules before you tackle this section.

我建议在阅读本节之前，阅读我关于用Persistent模块保存数据的文章。

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With the persistent increase in the economy, several large-scale or mid-scale cities have commenced building their own CBDs.

随着经济的持续快速增长，近年来我国一些大中城市纷纷着手建设自己的CBD。

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With the persistent rapid increasing of Chinese economy, the amount of Chinese logistics is also increasing in a surprising speed.

随着中国经济的持续快速增长，中国物流总量也在以惊人的速度增长。

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That flooding and persistent power cuts sparked riots in the Pikine neighborhood where people barricaded roads with burned tires and smashed the windows of a police vehicle.

VOA: standard.2009.09.06

Immigration advocates insist that this huge surge of cheap labor has nothing to do with the persistent decline in wages that began about the same time.

CNN: STORY HIGHLIGHTS

But Obama gradually lost much of the public with the persistent disconnect between his administration's belligerent rhetoric (most notably Interior Secretary Ken Salazar's "boot to the neck" comment) and its relatively anemic actions toward BP and the corrupt regulators at the Minerals Management Service.

FORBES: Dangerous Thoughts

Babe, the extraordinarily polite pig with the sweetly persistent manner, tries to raise money in the great megalopolis for the ailing Hoggett farm.

NEWYORKER: Babe: Pig in the City