You can be in deep water, for example, if you invest in stocks without knowing anything about the stock market.

VOA: special.2009.05.10

With a different volatility for the stocks because that was also selected randomly, plus some market bias.

或者均匀分布的一个随机值,因为数值选择上的随机性，再加上市场偏好。

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For every dollar that you had in small stocks at the peak of the market, by the end of 1929, you lost 54% of your money.

崩盘前市场达到峰值时,投在小盘股里的每一分钱,到了1929年底,都会损失54%

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