And it's not, but we think speech -- "My God, little children pick it up somehow, and by the age of two they're doing a mediocre job, and by three and four they're speaking reasonably well.
違います 小さな子は勝手に言葉を使いだして 2歳までには つたなく話し出し 3歳から4歳までには それなりに話すようになりますが