And as all of this topographical engineering unfolds, we will likely spend more on infrastructure in the next 40 years, we will build more infrastructure in the next 40 years, than we have in the past 4,000 years.
而随着这个地质学工程的展开， 我们可能会在未来40年 花更多钱建设基础设施， 未来40年会比以往4000年 建造更多的基础设施。