この本は複雑で、よくわかりません。 このほんはふくざつで、よくわかりません。 コノホンワフクザツデ、ヨクワカリマセン。 This book is complicated, and I do not understand it well.
Japanese
Optimized studying based on the forgetting curve vastly improves memorization. - What is reminDO? Memorize
cowpoke
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