在七十年代,发展中国家开始在美国对外经济战略中占居越来越重要的位置。发展中国家所起作用增大的因素之一,是它们在美国对外贸易中所占比重的不断增加。例如,在1971-1980年间,对发展中国家出口的年平均增长速度为19.6%,进口——28.3%。根据现有最新材料,1981年美国的出口总额为2,337亿美元,其中889亿美元是对发展中国 In the seventies, developing countries began to occupy an increasingly important position in U.S. foreign economic strategy. One of the factors contributing to the increasing role of developing countries is their growing share of U.S. foreign trade. For example, in 1971-1980, the average annual growth rate of exports to developing countries was 19.6% and that of imports was 28.3%. According to the most up-to-date available materials, the total U.S. exports in 1981 totaled 237.3 billion U.S. dollars, of which 88.9 billion U.S. dollars were for developing China