If you go to look at congressional discussion of tax rates, you won't see risk management mentioned very often.

如果你看过国会有关税率的讨论，就会发现“风险管理“出现的频率并不高。

耶鲁公开课 - 金融市场课程节选

The thing that's really doing the heavy hitting on risk management is really the tax and welfare system.

而税收和福利制度能真正有效地,实现风险管理。

耶鲁公开课 - 金融市场课程节选