Modern finance is supposed to be all about measuring risks, yet corporate and mortgage-backed CDOs were a leap in the dark.

归根结底，现代金融应关乎风险测量。然而，企业与按揭支持CDO却是一次鲁莽的冒险行动。

Eg: Jim is fond of a leap in the dark.

吉姆喜欢在黑暗处跳跃。

You took a leap in the dark in going into partnership with this strange man.

你与这陌生人合作实在是莽撞。

All growth is a leap in the dark, a spontaneous unpremeditated act without the benefit of experience.

所有的成长是一种在黑暗中的跳越，一种自发性非预谋没有经验的益处的行动。