3LT Learn Teach

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__* 3LT Learn Teach !!
Learn two Teach three 학이교삼 學二敎三
Learn 40%(↗) Teach 60%(↘) In 40%(↗) Out 60%(↘)
배움 40%(↗) 가르침 60%(↘) 안으로 40%(↗) 밖으로 60%(↘)