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.

由于上产品工艺相对落后、加工效率较、消费格局有待改善等原因，使得当前中国城市发展中能源环境持续性面临巨大挑战。