This is an arbitrary decision.

这是个武断的决定。

youdao

Why 18?It's most likely an arbitrary decision, but why not 16, or 20?

这估计是个任意的决定，但为什么不选16个， 还是20个呢？

youdao

When he is confronted with a dilemma, he usually makes an arbitrary decision by throwing a coin.

当他进退两难时，总是采用抛硬币的方法来任意做出一个决定。

youdao

Later in the term, we'll see why we have this syntax and why it wasn't just a totally arbitrary Python brain-dead decision by the designers of Python, and many languages before Python, but in fact is a pretty sensible thing.

这个学期的晚些时候,我们会去学学我们学这些语法的原因,以及这些语法其实并不是,和以前其他语言的设计者，一拍脑子做出的决定，实际上制定这些语法其实是相当明智的。

麻省理工公开课 - 计算机科学及编程导论课程节选

We cannot comment further until we receive the full written rationale for this extraordinarily arbitrary decision.

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What we did not anticipate was an arbitrary decision to constrain consumer choice.

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This frame rate stuck as a result of this rather arbitrary decision.

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