但是各方面情况并不相同，特别是，被这些政策变化驱使从事风险更高的活动的投资银行，完全游离在监管网络之外的事实，是引 起灾难的原因。
In particular, the fact that investment banks, which were propelled into riskier activities by these policy changes, were entirely outside the regulatory net was a recipe for disaster.