Non-mainstream,vogue or rubbish?

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these years,everything are changing.many things have became inconceivable.particularly last two years,there has been a flow ,said:non-mainstream. the so-called non-mainstream mean every person show their own personality,not blindly follow the trend of public,pay attention their own apparel,clothing,words and deeds.Non-mainstream means not the most popular thing is......relatively advanced or backward. so what do u think about it,vogue or rubbish???