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the reason or the natural basis for an action, decision, etc.
英语解释:the reasoning or principle that underlies or explains something, or a statement setting out this reasoning or principle
The rationale behind an action is the reason, the principle that explains the action. The rationale behind a policy is the principle, which can justify it. The rationale behind a decision is the reason that can support the decision. 'The rationale behind the new examination system is to reduce the pressure on the student.� This means that the reason for explaining the new examination system is to reduce the pressure on the student.
- Economy appears to be the rationale for his moving into the new though smaller house. With the increase in the expenditure and without a corresponding rise in his income he felt that such a big house was not affordable for him.
- Not every one is convinced of the rationale of the US military intervention in Iraq. A good number of people are not satisfied that the US had a good reason to attack Iraq.