Alan Greenspan, in his book, says that he thinks housing markets are all local and there is no--he says this firmly in his book there is no national housing market.

艾伦·格林斯潘在他书中写道,他认为房地产市场具有地域性,他在书中断言,不存在全国性的房地产市场

耶鲁公开课 - 金融市场课程节选

I mean that, that's an endemic problem. But, you know, I mean the rules are actually pretty simple.

那是一个地域性的问题。但是，这其实是非常简单的规则。

经常犯的失误 - SpeakingMax英语口语达人