他很谨慎，决不肯把自己的辛苦钱投入变幻莫测的股市。
He is prudent enough not to invest his hard-earned money in the volatile stock market.
概率论反映的是大量同类随机现象的统计规律性。对变幻莫测的股市可以用概率论进行统计分析。
Statistic law of a lot of similar random phenomena is reflected by the probability theory which, therefore, can be used in the uncertain stocks market to do the statistic analysis.
概率论反映的是大量同类随机现象的统计规律性。对变幻莫测的股市可以用概率论进行统计分析。
Statistic law of a lot of similar random phenomena is reflected by the probability theory which, therefore, can be used in the uncertain stocks market to do the statistic analysis.
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