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。

youdao

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。

youdao

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。

youdao

Asian exporters face slower growth abroad, high raw-material prices, growing competition from China and diminishing returns from cost cutting.

ECONOMIST: Asian equities

While the prolonged bull market may have distracted funds from focusing on fees, diminishing performance and heightened cost concerns suggest that now is the time to revisit the issue.

FORBES: Why Pension Investment Advisory Fees Are So High (January 1, 2003 )

The watchdog said the scope for reducing lower cost services was now diminishing and, at the same time, councils had to deal with rising demand for high-cost services, such as children's social care.

BBC: Council budgets: Watchdog warns of front-line cuts