Federal Reserve Chairman Alan Greenspan, who highlighted another long-term risk to America's economic health: its skyrocketing national debt.

VOA: standard.2010.02.07

The first one is, I might say, a long-term risk theme.

我要说的第一个是，长期风险。

耶鲁公开课 - 金融市场课程节选

Let me start with the long-term risk theme.

我先从长期风险开始。

耶鲁公开课 - 金融市场课程节选

A casino does not have a risk that the law of large numbers will be repealed and a roulette table will be a long-term losing proposition or a craps table will be a long-term losing proposition.

一个赌场不会有,大数定理被替代,或者轮盘赌和,双骰赌博会是长期亏本买卖的风险。

耶鲁公开课 - 金融市场课程节选