Syria has been allied with Tehran since the outset of the war between Iran and Iraq in 1980.

VOA: standard.2009.03.18

It doesn't match up very well though because interest rates have been going down since 1980 and the boom is very sudden, so it seems to me that Greenspan should have seen this bubble coming.

虽然这说法有些瑕疵,因为利率自1980年开始就一直下降,但繁荣却突如其来,所以我觉得,格林斯潘本应能看到泡沫的发生

耶鲁公开课 - 金融市场课程节选

Since around 1980, building costs have been falling.

自1980年以来,建筑成本一直在下降

耶鲁公开课 - 金融市场课程节选