While the rate of growth in the use of energy declines as an economy matures, no country has yet reduced energy use while raising gross domestic product.
虽然能源消耗的低增长是经济体系成熟的表现，还没有国家能做到在提高国内生产总值的同时减少能源的使用。
Most telling is that although Venezuela's gross domestic product dwarfs Cuba's, Venezuela's infant mortality rate is still three times higher.
最有力的证据是，委内瑞拉的国民生产总值比古巴要高得多，但其婴儿死亡率却依然比后者高三倍。
Gross domestic product, the broadest measure of the country's output, grew at an annualized rate of 3.7 percent in the first quarter of this year.
最广范围衡量国家产出的国民生产总值于今年第一季度增加了3.7%。
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