经过20余年体制改革，中国经济的最大成就是基本摆脱了短缺的束缚，告别了吃不饱饭的短缺经济时代；与此相对应，最大变革则是资源约束型经济向需求约束型经济的转变。所谓资源约束型经济又称供给约束型经济，主要特征是供小于求，需求膨胀，生产短缺，卖方市场，这种经济是传 After more than 20 years of system reform, the greatest achievement of China’s economy basically got rid of the shackles of shortage and bid farewell to the era of shortage economy, which is not enough to eat up. Correspondingly, the biggest change is the shift from a resource-constrained economy to a demand-constrained economy . The so-called resource-constrained economy, also known as supply-constrained economy, is mainly characterized by supply exceeding demand, demand expansion, production shortages, and the seller’s market. This economy is prevalent