67. Unless productivity growth is unexpectedly large, however, the expansion of real output must eventually begin to slow down to the economy’s larger run growth potential if generalized demand pressures on prices are to be avoided.

68. However, when investment flows primarily in one direction, as it generally does from industrial to developing countries, the seemingly reciprocal source-based restrictions produce revenue sacrifices primarily by the state receiving most of the foreign investment and producing most of the income—namely ,the developing country partner.

67、除非生产力的增长出人意料的大，不然实际产出的扩大最终要开始减缓以适应经济的可持续发展，这样才能避免价格的综合需求压力。

68、然而，当投资基本上流向一个方面时，就像一般从工业化到一般发展中国家一样，看起来是基于双方资源的规定产生的收入损失主要由接收大量外国投资和创造大部分收益的国家来承担-即发展中国家一方。