这个故事发生在大约三十年前。
马丁·路德·金博士遇害于大约三十年前。
Dr Martin Luther King's murder took place about thirty years ago.
货币主义在大约三十年前开始付诸实施,人们对于他的强烈反对来源于他所引起的失望表现。
The backlash was rooted in the disappointments monetarism caused when it was put into effect almost three decades ago.
Efficient markets" is a theory about-- well it came in about three decades ago, maybe it's closer to four decades ago-- it's a theory that financial markets work very well and incorporate information very well.
有效市场是...,大约三十年前,甚至四十年前,有人提出了这一假说,他认为金融市场运行良好,而且信息披露全透明
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