合理的英文：
rationale
reasonable

参考例句：

Consonant to reason
合理的

A rational suggestion
合理的建议

Rational expectation
合理预期

A sound oBservation.
合理的说法

A rational explanation.
合理的说明。

Aational egoism.
合理利己主义。

A soBer solution
一个合理的解决

Limits of authority for examining and approving loans should be rationally defined.
合理划分贷款审批权限

Is this a reasonable postulate?
这是不是一个合理的假设？

Rational reasonable
都含有理性的、合理的意思。

rationale是什么意思：
n. 基本原理；根据

This is the rationale for the investment resurgence in some sectors.
这是一些部门投资再次复活的基本原理。

Accounting theory provides the rationale or justification for accounting practice.
会计理论为会计实践提供了理论基础或判断标准。

It also makes the economic rationale of chief executives as a group hard to fathom.
作为一个群体的首席执行官其薪酬合理性也就很难彻底了解。

I do not understand the rationale behind the decision to sell the warehouse.
我不明白在出售仓库的决定后面有什么原由。

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。

reasonable是什么意思：
adj. 公平的，明智的；合理的；价钱公道的；不错的

The authority is not reasonable.
这个判例并不合理。

Reasonably adv.
适度地。

This is a potent reason.
这是一个令人信服的理由。

Is this a reasonable postulate?
这是不是一个合理的假设？

A reason to start over new, and the reason is you.
一个让自己重新开始的理由，而这个理由就是你。