decreasing returns

例句：

1. 1. The company's stock price is expected to experience a significant decrease in the next quarter.
   该公司的股票价格预计在未来一个季度会显著下降。
2. 2. The investment strategy has been shown to yield decreasing returns over time.
   这种投资策略已经被证明随着时间的推移会逐渐减少回报。
3. 3. The research suggests that the use of renewable energy sources could lead to decreasing returns on investment.
   研究表明，使用可再生能源可能会降低投资回报。