Their scale and the dizzying variety and opacity of their strategies make regulators worry that, should a hedge fund implode, it could damage the whole financial system.

• 它们的规模和令人眼花缭乱的、隐秘的投资策略使得监管者非常恐惧：如果避险基金继续膨胀,它可能会损害整个的金融系统。