We have a good system in taxes, but it's imperfect because it hasn't been thought out thoroughly in terms of risk management.

我们有很好的税收制度，但它并不完善,因为它并非完全从风险管理的角度,经过考量而得出的。

耶鲁公开课 - 金融市场课程节选

Because the financial risk management system that we have is imperfect, we aren't there yet.

因为我们的金融风险管理体系,存在缺陷，还并不完善。

耶鲁公开课 - 金融市场课程节选