profit impact shift

例句：

1. 1. The company's profitability has improved significantly since the new management took over.
   自从新管理层上任以来，公司的盈利能力显著提高。
2. 2. The business is making a significant profit from its new product line.
   这家公司从其新产品线中获得了显著的利润。
3. 3. Investing in stocks can be profitable if done wisely.
   明智地投资股票可能会带来利润。