unbefitting

Due to the lagged manufacturing technology, lower efficiency and unbefitting consumption pattern, etc, there is a big challenge of energy-environmental sustainable development in the cities in China.

由于上游产品工艺对落后、加工效率较低、下游消费格局有待改善等原因，使得当前国城市能源环境可持续性面临巨大挑战。