rationale [ˌræʃəˈnæl]

例句:

• 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。
  
• 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。
  
• We had to rethink the product's promotional rationale.
  来自WSJ
• Mercifully, however, some of us use rationale.
  来自SA
• What is the rationale behind these new exams?
  这些新测试的理论依据是什么？
  
• A rationale which states how that work meets...stated goals.
  来自American Speech