It is important to understand the importance of health.

Do you understand the necessity of this project?

That information is unnecessary.

That information is completely unnecessary.

He thinks that war is a necessary evil.

The sweets made with the old-fashioned recipe are indescribably delicious.

The Mukashi Otoko has become a legend in that village.

Once upon a time, there was a man called the old man of Taketori.

He was elected as the Prime Minister of Japan.

The foreign minister clarified Japan's position at the international conference.