이 콘텐츠는 현재 영어로 제공됩니다.
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이 콘텐츠는 현재 영어로 제공됩니다.
24 lessons · ≈ 38,5 h
Each lesson has 8 activities with separate time estimates. Start with one activity; games and extra practice can be skipped. Your progress is saved after every activity, so you can stop anytime and come back.
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