问题描述：
What's the genuine purpose of practical（实用性）?
GRE的Issue中需要用定义法论证,希望高手能给出一个2句话100字左右的段落的回答~感激不尽~
参考：（以history的为例）
History is an elder who keep telling many vivid stories about humanity to hone the sense of pride,dignity and self-worth while promoting the thoughts about values,humanity and morality.In my view,the genuine purpose of study on history is rooted not in reconstructing the past completely and accurately by the mere sifting of evidence for facts but rather delivering the eternal values and humanity which can illustrate the present as a light and bend the arc of future toward the hope of a better day.
GRE的Issue中需要用定义法论证,希望高手能给出一个2句话100字左右的段落的回答~感激不尽~
参考：（以history的为例）
History is an elder who keep telling many vivid stories about humanity to hone the sense of pride,dignity and self-worth while promoting the thoughts about values,humanity and morality.In my view,the genuine purpose of study on history is rooted not in reconstructing the past completely and accurately by the mere sifting of evidence for facts but rather delivering the eternal values and humanity which can illustrate the present as a light and bend the arc of future toward the hope of a better day.
问题解答：
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