

商品の分類を見直す必要があります。
この本は図書館では歴史の分類に入っています。
データの分類はもう終わりましたか。
"ぶんるい(分類)" is in the lesson "Specifications" (Level 44), along with 11 other useful words. LinDuo has 180 topic lessons like this one, 2,379 words in total. Every word has an illustration, a transcription and pronunciation in a female and a male voice. Just 10–15 minutes a day is enough to learn them all. Free, and works offline.