The concept behind Software RAID is simple — it allows you to combine two or more block devices (usually disk partitions) into a single RAID device.

软件RAID的概念很简单——使您可以将两个或多个块设备(通常是磁盘分区)组合为单个RAID设备。

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The second concept - the "consulting contract" - comes from Peter Block and his book Flawless Consulting3.

第二个概念——“咨询合约”——来自Peter Block的书籍 《完美的咨询》（Flawless Consulting）（注3）。

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In the next block of code I define the concept f: product, defining its preferred label, as well as alternate labels.

在接下来的代码块中，我定义了概念f： product，同时定义了它的优选标签和备选标签。

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Nevertheless, the concept deals with one of the main arguments that Democrats make against block grants, which is that more people need Medicaid during economic downturns and block grants do not account for that counter-cyclical nature of the program.

FORBES: Why Block-Granting Medicaid Will Result in Better Health Care for the Poor

If you are deeply opposed to the concept of being cut down to your regular size, you can wear a small block or kitten heel.

WSJ: Flat Out | Fashion Gets Comfy With Flats