Their opinions are not based on reasoned argument.

他们的意见不是以缜密的推断为基础的。

《柯林斯英汉双解大词典》

We expect you to develop a well-reasoned argument supported by specific examples.

我们希望你提出一个理由充分的论点，并有相应的实例提供支持。

youdao

There you are: a perfectly reasoned argument for never ever watching reality TV (as if you needed one!).

给你：一个完美充分的论据，从不观看电视真人秀(如果你需要一个的话)。

youdao

FCC, will have a proper appeals process and an emphasis on reasoned argument.

ECONOMIST: Regulating communications

It represents the voice of reasoned argument in America's permanent conversation with itself.

ECONOMIST: The politics of justice

If the mainstream philosophical consensus is to be believed, Rand was wrong to claim that this dispute can be resolved objectively by an appeal to reasoned argument from uncontroversial axioms.

FORBES: What Was Ayn Rand Wrong About?