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.

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。

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These networks of relationships span companies, industry sectors and even countries, creating an informal web of contacts, knowledge and influence.

CNN: Network a valued study by-product