What does it mean to be traditional?

Traditional is a bit like the thinking of the ancient people, the people of the old society, for example, nowadays it is fashionable to dye your hair, but someone wants to dye it, but is afraid of the eyes of others, so that is a very traditional, very feudal meaning A lot of people say that he is smart, then he is smart, but he says that he is stupid, then it is that he is modest, maybe it is just a joke with you

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