Rather than a regulatory system with uniform effluent limitations, it may be preferable to have a variable standard that would concentrate pollution abatement where it costs the least.
制定各种各样的花费成本最少而又达到减污效果最佳的可变标准或许是最好标准，而不是统一的污染限制管制体制。
Rather than a regulatory system with uniform effluent limitations, it may be preferable to have a variable standard that would concentrate pollution abatement where it costs the least.
制定各种各样的花费成本最少而又达到减污效果最佳的可变标准或许是最好标准，而不是统一的污染限制管制体制。
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