The rationale for a course of action, practice, or belief is the set of reasons on which it is based. 全部理由; 根本原因
noun [抽象名词] <正式>根本原因，逻辑依据
What is the rationale behind these new exams? 这些新测试的理论依据是什么？
rat(计算) + ion + ale → 通过精密计算 → 根本性的依据
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- However, the rationale for such initiatives is not, of course, solely economic. 但是，这些积极行动的根本原因当然不全是出于经济目的。
- College students' ratings of strawberry jams and college courses aligned better with experts' opinions when the students weren't asked to analyze their rationale. 在不要求大学生细察其依据的情况下，他们对草莓果酱和大学课程的评价与专家的意见更一致。