n. (law) an explanation of the fundamental reasons (especially an explanation of the working of some device in terms of laws of nature)
n. 基本原理
[医] 原理, 理论
1. The teacher explained the rationale behind the new grading system.
老师解释了新评分系统背后的理由。
2. Understanding the rationale for the decision can help us accept it better.
理解这个决定的理由可以帮助我们更好地接受它。
3. The company presented its rationale for the price increase to the customers.
公司向客户说明了提价的理由。