But more broadly they worry that the EPA is constantly tightening restrictions on pollution, at ever higher cost to business but with diminishing returns in terms of public health.
广泛地说，他们担心环保局不断制定越来越严格污染管制措施，使得企业需要付出更高的成本，而对改善公共健康而言，收益却在递减。
As new metrics are adopted, old metrics should be dropped; otherwise, the complexity and cost of collecting the metrics increases with diminishing returns on the value they are providing.
随着新的度量标准的采用，就的度量标准应该抛弃，否则收集度量标准的复杂性和成本将增加，并且缩减了它们提供的价值的回报。
Substitution — Replacing one resource with another. May occur, for example, when the original resource is no longer cost-effective or is diminishing in quantity or quality.
置换——那一种资源换成另一种。可能发生，比如，原始资源不再是有成效的或从数量质量方面削弱了。
Confronted with the complicated forms of sales promotions conducted by sellers, consumers will trade with scalpers under the rules of opportunity cost, diminishing marginal utility and other theo.
消费者基于消费效用最大化的目标实施消费行为，面对商场繁杂的促销形式会依据机会成本、边际效用递减规律等原理选择与黄牛党进行交易。
Compared with plate raft, stiffened raft has evident advantages in diminishing nonuniform settlement, improving the internal force distribution of raft and reducing construction cost.
与平板筏基相比，梁板式筏基对于减小不均匀沉降、改善筏板内力分布、降低工程造价方面都有比较明显的优点。
Compared with plate raft, stiffened raft has evident advantages in diminishing nonuniform settlement, improving the internal force distribution of raft and reducing construction cost.
与平板筏基相比，梁板式筏基对于减小不均匀沉降、改善筏板内力分布、降低工程造价方面都有比较明显的优点。
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