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世界で最も難しい漢字を書いてみた
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How to Learn Chinese (Mandarin) On Your Own for FREE
中国語をより速く、より賢く学ぶ方法
Time It Takes To Learn Languages | Comparison
Game-changing updates to our Chinese and Japanese courses - Improving how we teach Asian languages
How My Broken Mandarin Chinese Sounds After 30 Days of Duolingo (Penn MD/PhD student)
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Learn 1000 Chinese Frequently Used Words (51-60) with Sample Sentences
Duolingo vs HelloChinese | Shockingly Good Free Chinese Learning Apps - Full Review and Ratings
The Best Language Learning Apps (and Why Most Don’t Work)
Top 3 Hardest Languages to Learn