"It's the single biggest driver over the past 10 to 15 years of why healthcare has risen."

VOA: standard.2010.07.02

That, I think, is partly because the biggest single component of building costs is labor.

我想,有部分原因是因为,建筑成本的最主要构成因素就是劳动力

耶鲁公开课 - 金融市场课程节选

That, I think, is partly because the biggest single component of building costs is labor.

我想,有部分原因是因为,建筑成本的最主要构成因素就是劳动力

耶鲁公开课 - 金融市场课程节选