到底有多危险，我们来看一下。 如今美国家庭拥有21万亿美元股票，因此，股价下跌30%至历史平均水平意味着超过7.5万亿美元的损失。
To grasp how risky, consider this: US households now own $21 trillion of equities, so a 35% decline in equity prices to their historic average would involve a loss of more than $7.5 trillion.