发展的

The goal is to select the optimum numbers,locations and capacities of transfer facilities and dispose facilities to open so that all wastes sources are satisfied at minimum total costs of the reverse logistics network and at minimum disutility to people.

考虑了在满足公众的意愿的情况下，建立了一个多目标的纯整数规划模型，最小化总的建设费用和设施对公众产生的负效用。

I played firecracker but I hurt my finger with the fire.

在我玩爆竹的时候，伤着了我的手指。