Repeated attempts to allow the species to recover have failed under the pressure to supply a market willing to pay tens of thousands of dollars for a single fish.

VOA: standard.2010.03.04

Right now the total value of single-family homes in the United States is about twenty trillion dollars and the market has been becoming increasingly speculative.

如今,美国家庭的,房产总值,接近2万亿美金,而且,市场变得越来越投机

耶鲁公开课 - 金融市场课程节选

I've been working with the Chicago Mercantile Exchange to create a futures market for single-family homes, which is sort of my connection to the futures industry.

我一直以来和芝加哥商业交易所合作,创建一个适合单一家庭的期货市场,这是我参与期货行业的一种方式

耶鲁公开课 - 金融市场课程节选