要理解现在,我们必须理解过去。
To understand the present, we must understand the past.
矿工的安全永远不应该用成本效益分析来衡量。
I'm not perfect - and I don't pretend to be.
在经济学中,魔鬼往往藏在细节里。
The writer must be a person who is willing to take risks.