事实上，如果中国推行保持经济快速增长所需的结构改革和技术升级，相比于2009年的仅1.57亿，到2030年那里的中产阶级人口将达到10亿之多。
Indeed, if China pursues the structural reforms and technological upgrading needed to maintain rapid economic growth, its middle class should exceed one billion people in 2030, up from 157 million in 2009.