The report concludes that a $3.6 trillion investment (roughly one-fifth of the country’s annual GDP) will be needed by 2020 to boost the quality of US infrastructure by addressing the “significant backlog of overdue maintenance [and the] pressing need for modernization.” Otherwise, the country’s crumbling infrastructure will drag down economic growth for years to come.
报告认为，要想通过解决“大量积压的超期维修工作[以及]现代化的紧迫需求”提升美国基础设施的质量，到2020年将需要3.6万亿美元（大约相当于美国年GDP的五分之一）。否则，美国拙劣的基础设施将拖累经济增长多年。