We search through historical data looking for anomalous patterns that we would not expect to occur at random. Our scheme is to analyze data and markets to test for statistical significance and consistency over time. Once we find one， we test it for statistical significance and consistency over time. After we determine its validity， weask， ‘Does this correspond to some aspect of behavior that seems reasonable？’

旅行对我来说，是恢复青春活力的源泉。

宁可一人受苦，不使民族悲伤。

关于自由市场最重要的一个核心事实是，除非双方都受益，否则交易不会发生。