如果我们只能够用一套有限的标准来衡量美，人类不久将灭绝。

The human race would soon die out if we could only see beauty within a set of limited criteria.

youdao

美是不可能用任何绝对标准来衡量的。

Beauty cannot be measured by any absolute standard.

《牛津词典》

漂亮！应该说美丽无双。你把脸蛋和身材通盘衡量一下，你想想还有谁能比爱玛更接近尽善尽美呢？

Pretty! Say beautiful rather. Can you imagine any thing nearer perfect beauty than Emma altogether - face and figure?

youdao