I think we should just leave him alone now.

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.

I am very interested in natural science.

Natural numbers start from 0 and continue as 1, 2, 3, 4, 5, 6, 7, 8, 9.

Natural selection plays an important role in the evolution of organisms.

I was moved by the beauty of nature.

Calculating the natural logarithm is an important part of mathematics.

Natural language processing is the technology that allows computers to understand and generate human language.