供不应求
supply falls short of demand;demand exceeds supply;short supply
经济适用房~。The supply fails to meet the demand for affordable and functional housing.
供不应求ɡōnɡ bù yìnɡ qiú
供应不能满足需要。比喻资源供求之间的矛盾局面。demand exceeds supply, supply falling short of demand, supply fails to meet the demand