law of diminishing return

例句：

1. 1.The law of diminishing returns states that the more you invest, the less you get back.
   递减法则表明，你投入得越多，得到的回报就越少。
2. 2. This law of diminishing returns explains why some investments lose value over time.
   递减法则解释了为什么一些投资随着时间的推移会贬值。
3. 3. The law of diminishing returns suggests that it's not worth investing in a new technology if it won't be widely adopted.
   递减法则表明，如果一项新技术不会被广泛采纳，那么投资它就没有价值。