Second, it's fundamental interests and long-term cultural exchange offer is to promote the development of each culture. And history has shown, is not a culture that can develop quickly or rapidly without interaction with other cultures. Cultural exchanges make the community, the nation sealed become open systems, has opened become increasingly more open. In theory the system, if a closed material system will quickly progress to confusion can not be exchanged by the material, energy and information necessary to the outside to maintain the operating structure or function normal function.
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