In future trade the key development to watch is the relationship between the industrialized and the developing nations. The Third World countries export their mineral【B1】and tropical agricultural products, which bring them【B2】foreign exchange. Tourism has also been greatly responsible【B3】the rapid development of some【B4】nations. Many Third World nations with high【B5】and low wages have seen an emigration of workers【B6】the developed nations. Western Europe has【B7】mi]lions of such workers from Mediterranean countries. The developing nations profit【B8】these trained workers bring their【B9】and their acquired technical skills【B10】home. Many developing nations benefit when Western nations【B11】manufacturing in countries to take【B12】of their cheap labor.
As【B13】mature, economic growth rates tend to level off. The rate of【B14】growth is leveling off today in Western nations. This leveling off【B15】leads to static non-growth markets. A point of saturation(饱和)【B16】in technology and innovation have seemed to achieve the impossible,【B17】then how much further can it go？ Herman Kahn, in his book The Next 200 Years, says that a【B18】in priorities will have to occur for industrialized nations. No longer is the creation of money and jobs【B19】; it is rather the improvement of the quality of life that must be our【B20】.
【B1】

A. scopes
B. ranges
C. products
D. deposits