It would be a tragedy to go your entire life as a "hammer" doing the job of a "screwdriver". Everybody has a purpose and a reason they were created.

如果你明明是“锤子”却做着“螺丝刀”的工作，那将是一个悲剧。每个人都有一个他们被创造的目标和理由。

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On the other hand, without realizing the reason and purpose for applying the pattern, the rationale itself, the knowledge and benefit of a pattern may be missed and ultimately forgotten and not used.

另一方面，没有认识到应用模式的原因和目的，模式的基本原理本身、相关知识以及好处可能会被忽略，最终会被遗忘而不加利用。

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The PURPOSE element describes the reason you collect the information, such as for administration of the site, research and development, analysis, and so on.

PURPOSE元素描述了您收集信息的原因，例如出于站点管理、研发、分析等方面的目的。

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is the concept of man as a heroic being, with his own happiness as the moral purpose of his life, with productive achievement as his noblest activity, and reason as his only absolute."

VOA: special.2010.06.06

It has lost touch with its humble beginnings, its founding purpose, its very reason to exist.

FORBES: Has Wal-Mart Has Lost Touch With Its Populist Roots?

So what exactly is this mysterious insurance score, and what exactly is its reason and purpose?

FORBES: How An Insurance Company Determines Your Premiums

It's hard to see any particular reason or purpose in going back to the moon or indeed sending people into space at all.

CNN: Mars can wait. Oceans can't