Ninety–Ninety Rule(en.wikipedia.org)2 ポイント·投稿者 encodedrose·2 年前·1 コメントen.wikipedia.orgNinety–Ninety Rulehttps://en.wikipedia.org/wiki/Ninety%E2%80%93ninety_rule2 コメントコメントを投稿[–]kristianp·2 年前返信> For the American educational funding policy, see 90–10 rule.is that really necessary? Who would mistake that?[+][deleted]·2 年前
is that really necessary? Who would mistake that?