...出来研究人类活动对环境变化影响的经典模型,他们认为影响生态环境的影响因素主要有:人口(Population)、富裕程度(Affluence)和技术水平(Technology),即I=PAT,式中,I不仅可以表示环境负荷,还可以表示能源消耗、环境影响状况等,所以该模型被广泛应用...
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实际上,在斯德哥尔摩,随着城市规模的扩大和人民富裕程度的提高,汽车的使用量在近年来有所下降。
In Stockholm, car use has actually fallen in recent years as the city has become larger and wealthier.
一个国家的富裕程度也不能预测取得好成绩。
经年累月,随着富裕程度的提高,她们对黄金的需求才有可能增加。
Over the years, as they get richer, their demand may increase.
Also, mutual funds have been growing more in countries that have higher level of education and a higher level of wealth.
而且,共同基金在那些国民教育程度更高,更加富裕的国家,发展更快
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