so that you are more friendly to the readers who are students or teachers and we will always remember that formal writing is often used in things that show sincerity and seriousness while informal is usually used in talking to our friends who are not requires formality
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so that you are more friendly to the readers who are students or teachers and we will always remember that formal writing is often used in things that show sincerity and seriousness while informal is usually used in talking to our friends who are not requires formality