数量分析师在此类修补上的局限已不是数学问题而是计算机的速度、能力与成本。
The limit to the quants’ tinkering has been not mathematics but the speed, power and cost of computers.
传统的盈利能力分析仅仅注重收益的数量分析，而忽视了收益的质量分析，也难以反映收益质量。
Traditional analysis on the capacity of making profits only focuses on quantity not quality, so it is not complete.
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