It can also be widely recognized by the society, and the most famous allusion is "fat and thin"
Different times will have different ideas to evaluate beauty and ugliness. If we take our present aesthetic view to the fifties and sixties.
Definitely not.
In other words, beauty and ugliness are actually combined with social background, and our current fashion is also promoted by some people, not letting it go with the flow. Although each of us has the ability to distinguish beauty from ugliness, all the information we receive from birth tells us the standard of beauty and ugliness. For example, "beauty in appearance is not important, beauty in mind is important" and "double eyelids look good". Why do so many people have plastic surgery? What standards do they take as the standard of beauty? They just think that in the big view of society, some are beautiful and some are ugly.