profit vector

例句：

1. 1. The company's profit vector has been optimized to increase profits.
   该公司的利润向量已经优化以增加利润。
2. 2. In economics, the profit vector is used to measure the impact of a change in prices on profits.
   在经济学中，利润向量被用来测量价格变动对利润的影响。
3. 3. The financial model uses a profit vector to forecast future earnings.
   这个财务模型使用一个利润向量来预测未来的收益。