一方面，对于年龄比较小的学生，他们对生活没有太多的经验，知道的知识也甚少，所以他们通常需要老师告诉他们要怎么做。
On the one hand, for the young age students, they don't have too much life experience and know little knowledge, so they usually need the teacher tells them what to do.
虽然有很多公司都可以通过员工更有效地建立和输送知识，来实现自己的竞争优势，但是很少有公司知道怎么做才会成功，拉文提出。
While many companies have the potential to realize competitive advantage by creating and transferring knowledge more efficiently across employees, few know how to do it successfully, Levine notes.
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