国が成人をしっかり定義すれば、国には責任を持って成人ではない国民を教育し て成人にする義務が生じる。それが本当の義務教育だろう。
I have 'If the government were to sufficiently define what an adult is, it has the responsibility to turn uneducated adult citizens into educated adults. That is what true compulsory education is.' But it doesn't sound quite right.