他们的方法足够灵活，原则上可以纳入其他重要的生活质量变化，如减少污染物排放总量、降低犯罪率。
Their approach is flexible enough that in principle other important quality-of-life changes could be incorporated—for example, decreases in total emissions of pollutants and declines in crime rates.
这些区域确实改善了空气质量，而且科学表明，这意味着切实的健康收益——心脏病、中风和早产发病率降低，癌症、痴呆和哮喘等疾病的减少。
The zones do deliver some improvements to air quality, and the science tells us that means real health benefits—fewer heart attacks, strokes and premature births, less cancer, dementia and asthma.
通过提高需求的质量，CLM有助于降低缺陷的产生率，还有助于减少解决缺陷所需要的时间，这样就可以尽可能少地产生成本。
CLM helps reduce the creation of defects by improving the quality of requirements and also helps to reduce the time taken to resolve defects so that they cause as little waste as possible.
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