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当世界还是个简陋之地时,富人胖,穷人瘦,有识之士担心的是如何解决饥荒。如今,在世界上绝大多数国家里,富人瘦,穷人胖,有识之士担忧的是肥胖问题。对此,进化应负主要责任。进化的设计,是让人类得以应付贫穷,而非应对富裕。人们习惯于在好年成储存能量,以备不时之需。但是,如果坏年成一去不返,人们将为此能量所困,受累于囤积在他们日益扩张的肚皮上的能量。随着农业产量的不断提高,全球范围内坏年成愈来愈少。当代马尔萨斯主义者过去常常绘制图表,证明世界马上就要粮食匮乏,最近却愈发沉默。根据
When the world is still a humble place, the rich and the poor are thin and the people of insight are worried about how to deal with the famine. Today, in most countries in the world, the rich and the poor are fat and the people of insight are concerned about the issue of obesity. In this regard, evolution should bear the primary responsibility. Evolutionary design is to enable human beings to cope with poverty, rather than deal with affluence. People are accustomed to storing energy in good old age in case they need it. But if the bad years are gone, people will be trapped by this energy, being involved in hoarding energy on their expanding belly. As the output of agriculture continues to increase, there are fewer and fewer bad years in the world. Contemporary Malthusists used to chart charts to prove that the world is in short supply of food, and has recently become increasingly silent. according to