This is not an objective definition, it is difficult to accurately explain in words.

这也没有一个客观的定义，很难用语言来精确说明。

youdao

If whatever is good is truly just whatever people prefer, it's truly relative and there's no objective definition, then there will be some society where people prefer Simpsons more.

如果人们偏好的就是好的，只是相对而言，没有客观定义，那么就是会有些人群更喜欢《辛普森一家》

耶鲁公开课 - 公正课程节选

One of the problems with the debate is that scientific evidence reached through objective medical trials is, by definition, very difficult to come by.

BBC: Baby breast feeding

The human race was meant to propagate, and the definition of marriage was meant to support that objective, with secondary benefits being the love and support of the partners.

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