law of diminishing utility

例句：

1. 1. The law of diminishing utility states that the benefits of a product decrease as it ages or is used more frequently.
   递减定律表明产品随着使用次数的增加或时间的增长，其效益会逐渐减少。
2. 2.This law of diminishing utility explains why some products, such as batteries, have a limited lifespan.
   这一递减定律解释了为什么某些产品，如电池，有有限的寿命。
3. 3. The law of diminishing utility is crucial for businesses to consider when designing their products and services to ensure they remain relevant andeffective over time.
   递减定律对企业设计产品与服务时至关重要，以确保产品和服务质量随时间保持相关性和有效性。