Dreye權威釋義|rationale

n.

基本理由
I'd like to know, what is the rationale behind your support of this bill?
我想知道，你支持這個法案的基本理由是什麼？
原理的闡述

同義參見:

以上來源於：《英漢大辭典》

/ˌraʃəˈnɑːl/

n.

a set of reasons or a logical basis for a course of action or a belief.

C17: mod. L., neut. (used as n.) of L. rationalis (see rational).

以上來源於：《簡明牛津英語詞典》