1650s, "exposition of principles," from Late Latin rationale, noun use of neuter of Latin rationalis "of reason" (see rational). Hence, "fundamental reason" (1680s).
实用例句
1. However, the rationale for such in-itiatives is not, of course, solely economic.
然而，这种提议的根据当然并不仅仅是经济方面的。
来自柯林斯例句
2. The rationale of reprocessing spent nuclear fuel is inevitably being questioned.
对核废料进行再加工的理由不可避免地受到了质疑。
来自柯林斯例句
3. What is the rationale behind these new exams?
这些新测试的理论依据是什么？
来自《权威词典》
4. The plan was criticized for its lack of rationale.
该计划因缺乏根据而遭到批评.
来自《简明英汉词典》
5. A great scholar had recognized that there existed a rationale for production.