rational
单词辨析：
指想法、决定等基于理性判断的，也指人能冷静思考的。
The project leader needs to be fully informed so he can make a rational decision.
项目负责人需要充分了解之后才可以作出合理的决定。
What he said sounds like a rational explanation.
他说的话听起来像是合理的解释。
She looks more rational now.
她现在看上去更加理智了。
指说法、请求、问题、报价等合情合理的，侧重公平性和合理性。
Reasonable requests won't be turned down.
合情合理的请求是不会被拒绝的。
Don't you think it is a perfectly reasonable question?
你不认为这个问题问得很有道理吗？
She made us a reasonable offer for the house.
她给我们开出的房价公平合理。
指人及行为合理、务实且表现出良好判断力的。
What I need is sensible advice rather than useless complaints.
我需要的是合理的建议而不是无用的抱怨。
It is sensible to keep a good relationship with your roommates.
和室友保持良好关系是明智的。
相关例句：
The deployed definition and resources files of the iWidget can now be dynamically edited in Rational Application Developer.
这个iWidget的部署定义和资源文件现在可以在Rational Application Developer中动态编辑了。
This is the simplest method to transfer Rational Projects.
这是转换Rational项目最简单的方法。
This phenomenon has more to do with psychology than rational economics.
与理性经济学相比，心理学与这种现象的关系更大。
Rational Method Composer's process authoring capability provides additional flexibility in carrying out such customization and management.
Rational Method Composer的过程创造能力在执行定制和管理方面，提供了额外的灵活性。
She was of a rational turn of mind.
她是个理性的人。
Because they want to use a method authoring and configuration tool, they opt for IBM Rational Method Composer.
由于需要使用方法创作和配置工具，他们选择了IBM Rational Method Composer。