每个人的意见都必定是主观的。

Everyone's opinion is bound to be subjective.

《牛津词典》

美是个人的主观感受。

Beauty is in the eye of the beholder.

《柯林斯英汉双解大词典》

由于效用对于每个人来说都是主观的，它不能被衡量甚或互相比较。

Since utility is subjective to each individual, it cannot be measured or even compared across persons.

youdao

Isn't that a completely subjective judgment what one thinks is the best regime?

那不是完全主观的判断吗,什么是个人认为最优的政体？个？

耶鲁公开课 - 政治哲学导论课程节选