Variance reports on financial sales and production plans are ex-amples of information systems oriented to control .

对财务、销售和生产计划的 误差 报告属于控制型信息系统。

If you are not preparing monthly variance reports ( how much your actual expenses and income differ from what you projected ) you should .

如果你每个月还没做 差异 报告（你的实际支出和你的预测相差值），你应该马上做。