１９世纪末２０世纪初，人类历史的发展进入了一个全新的时期。这个时期所表现出的若干发展趋势：科学技术的新进展、世界经济的相互依存、跨越时空的相互交往、等等，使我们确有必要承认这样一个事实：我们都是互相依赖的成员。这种趋势在世纪之初，以偶然的形式得以表现，但 From the late 19th century to early 20th century, the development of human history has entered a completely new period. A number of trends that have emerged during this period: new developments in science and technology, interdependence in the world economy, interaction across time and space, and others make it necessary indeed to recognize the fact that we are all interdependent members. This trend was manifested by chance at the turn of the century, though