重要性, 重大さ, 大切さ
the importance of good health
the importance of good health
健康の重要さ, 健康が大切なこと
a matter of importance (=an important matter)
a matter of importance an important matter
重大な事
It is of little [no] importance.
It is of little [no] importance.
それはあまり[全く]重要でない.
