We need to think of a new strategy to improve the present situation.

He often plays video games to escape from reality.

He often plays video games to escape from reality.

They infiltrated enemy territory using the tactic of half-ship landing.

He is a master of Tengenjutsu.

By regularly checking the key performance indicators, you can understand the performance of the company and devise improvement measures.

The Paleolithic is the first era of human history.

The Bronze Age was an important period in human history.

The Neolithic was an important period in human history.

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