marginal utility analysis

例句：

1. 1. The marginalutility of education is a topic of debateamong economists.
   教育边际效用是经济学家们争论的话题。
2. 2. This study aims to analyze theimpact of technology on human behavior.
   这项研究旨在分析技术对人类行为的影响。
3. 3. The marginal utilityof money is often overlooked in discussions abouteconomic growth.
   在讨论经济增长时，人们往往忽视了货币的边际效用。