This passage introduces ofpopulation pressure - the greatest feature of modern malthusian theory, ofeconomicsofpopulation.
本文介绍了现代马尔萨斯主义人口经济理论的最大特点—人口压力。
2
People are fleeing the cold: there is a strong correlation between the average temperature in January and population growth, notes Edward Glaeser, a professor ofeconomics at Harvard University.
哈佛大学经济学教授爱德华格雷泽指出，人们趋暖避寒：1月均温与人口增长有着密切的相互关系。
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The problem ofpopulation and economy is one of the long term problems noticed by human society and is the most important research contents ofpopulationeconomics.