The rationale for a course of action, practice, or belief is the set of reasons on which it is based.
例句
However, the rationale for such initiatives is not, of course, solely economic...然而，這種提議的根據(jù)當(dāng)然并不僅僅是經(jīng)濟(jì)方面的。The rationale of reprocessing spent nuclear fuel is inevitably being questioned.對核廢料進(jìn)行再加工的理由不可避免地受到了質(zhì)疑。
英漢詞典釋義
n.
基本原理；根本原因
The plan was criticized for its lack of rationale.該計劃因缺乏根據(jù)而遭到批評。
英英詞典釋義
Noun
1. (law) an explanation of the fundamental reasons (especially an explanation of the working of some device in terms of laws of nature);
"the rationale for capital punishment""the principles of internal-combustion engines"