The Mesolithic is the era between the Paleolithic and the Neolithic.

I maintain my health by doing aerobic exercises every day.

He said, 'Misery of life starts at literacy,' and spoke about the hardships of learning.

Mr. Okuda is an insurance sales representative.

This city is equipped with tactile paving blocks for the visually impaired, which help them move around.

Yu helped me with my homework.

The season of spring has come.

He shook his head up and down and left and right.

He lives with the spirit of 'I alone am the honored one under heaven and on earth.'