This refers to random variables that have fat-tailed distributions-- random variables that occasionally give you really big outcomes.

这就表示,服从长尾分布的随机变量,这些数据出现极端值的概率比较大

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That's different when you have continuous values-- you don't have P because it's always zero.

和离散型随机变量的分布不同的是,连续型随机变量的分布中,某一点的概率值始终是零

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We often assume in finance that random variables, such as returns,are normally distributed.

金融学中我们常假设随机变量,例如收益率,是服从正态分布的

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F is the continuous probability distribution for x.

是x的连续型随机变量的概率分布

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