通过预估1700小时的学习时间，让你从一个完全没有思科网络知识的学习者变成一个CCIE持有者，这段经历具有什么价值？
What is the value of those estimate 1700 hours of study from having no Cisco knowledge to getting a CCIE?
一些观察人士质疑，如果信息技术具有经济价值，为什么它没有为个别公司提供直接竞争优势。
Some observers questioned why, if IT had conferred economic value, it did not produce direct competitive advantages for individual firms.
然而，即使技术已经非常成熟，我们也必须扪心自问：克隆人具有什么实际价值吗？
Even if the technique were perfected, however, we must ask ourselves what practical value wholebeing cloning might have.
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