A．Both individuals and companies need to acquire it.
B．It is a key factor to the performance of a company.
C．Executives in business overlooked knowledge.
D．It is more difficult to obtain knowledge than share it.

A．There are a lot of excessive services in American hospitals.
B．Doctors are over-loaded in American hospitals.
C．American hospitals are suffering great loss because of poor health conditinos.
D．The health-care service in the American hospitals is systematic and patient-oriented.