美国75%的房屋现已无法承受，Dave Ramsey称这是'100年来最不现实的房地产市场' https://www.barchart.com/story/news/2339669/75-of-u-s-homes-are-now-unaffordable-as-dave-ramsey-calls-this-the-most-unrealistic-real-estate-market-in-100-years