当今世界，企业与企业之间、国家与国家之间、地区与地区之间的合作与竞争都表现得格外强烈。一些地区性统一市场已经出现，互补性的合作日益频繁和重要。同时，一些欠发达国来通过改革，经济迅速发展，实力不断加强，一个多极化的国际格局已经形成。这一方面在世界范围内建立 In today’s world, the cooperation and competition between enterprises and enterprises, between countries and countries, and between regions and regions are all extremely strong. Some regional unified markets have emerged and the cooperation of complementarity is becoming more and more frequent and important. In the meantime, some underdeveloped countries have adopted the reform, their economy has been developing rapidly and their strength has been continuously strengthened. A multi-polar international situation has been formed. This is established on the one hand in the world