Modeling for execution is not a new concept, as this approach has been used in traditional software and system development for a while.

为执行建模并不是一个新概念，因为这种方式已经在传统的软件和系统开发中被用了有一些时间了。

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This is similar in concept to the name of a file in a folder on your file system.

这在概念上与文件系统文件夹中的文件名相似。

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Since this caching behavior is a significant concept in the system, it makes sense to create a ButterflyCache class to represent a cached transformation (see Listing 5).

因为缓存行为是系统中一个重要的概念，所以有必要创建一个butterflycache类表示缓存后的转换(参见清单5)。

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Slashdot, an early social news site powered by community submissions, codified much of this in their moderation system and concept of Karma.

FORBES: Reward your Community

These avenues would be effectively eliminated, and such a move could hamstring either a specific system (Xbox in this case), or the entire concept of consoles if they all colluded to eradicate used games sales.

FORBES: Why Microsoft Cannot Kill Used Games on the Next Xbox

This mutual exchange concept is expanded more broadly in the LETS (Local Exchange Trading System) model of private currencies.

FORBES: Rethinking Money: The Rise Of Hayek's Private Competing Currencies