随着全球发达国家通过金融衍生品提供的杠杆来实现过度消费，世界70亿人口中有40亿开始进入中等收入状态，不但对全球资源造成了巨大需求，也催生了环境生态的可持续发展问题。
Even as the world’s advanced countries over-consumed through leveraging from derivative finance, four billion of the world’s seven billion people began moving to middle-income status, making huge demands on global resources and raising the issue of ecological sustainability.