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

So, my final example is from Alan Davidson's lab, and Alan is an inorganic chemist -- he loved those transition metals and they're unique properties, and he designed this compound, it's called Cardiolite, Cardiolite and it's used in heart imaging.

最后一个例子是Alan，Davidson实验室，他是个无机化学家-,他喜欢研究过渡金属,和它们的奇特性质，他设计了这种化合物，叫做。

麻省理工公开课 - 化学原理课程节选