Ensure rule changes meet business objectives by running simulations against either historical or test data, assessing the results against key performance indicators (KPIs) and what-if scenarios.

使用历史或测试资料执行模拟，评估关键绩效指标(KPI)及假设情境的结果，以确实变更符合业务目标。

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Rather, they subjectively fit curves to historical data and then run computer simulations to make untestable forecasts about the distant future.

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