有时候市场确实会发生一些异常情况——比如，一月份有突出表现的股票或者是夏天的几个月里表现很差的股票——这些异常可能太小或不太可靠而不能利用。

Markets do throw up occasional anomalies-for instance, the outperformance of shares in January or their poor performance in the summer months-that may be too small or unreliable to exploit.

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