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(1)If you don’t know the three characters of Do Won-ryul
(2)Why do you need to know foreign history? It’s definitely not common sense
(3)2 If you graduated from elementary, middle, and high school normally, it is basic common sense. It is certain that you do not have a lot of common sense if you do not know it
Three Kingdoms is Chinese history, but you don’t learn it at school
Why is that common sense