中产阶级一旦成为国家的中坚力量,国家的经济将更加繁荣的物质需求得到满足后,开始追求精神生活,这就是欲望的更替。人的欲望在不断的更替中,会促进社会经济发展。随着经济的发展,中产阶级成为了社会的中坚力量,国家要重视这个中坚力量, Once the middle class has become the backbone of the country and the country’s economy has become more prosperous and material needs are met, it begins to pursue spiritual life. This is the replacement of desire. Human desires are constantly changing and will promote social and economic development. With economic development, the middle class has become the backbone of society, the state should attach importance to this backbone,