He decided to take a temporary leave to spend time with his family.

My company has introduced a layoff system.

He defeated the enemy using hit-and-run tactics.

He is recognized as the top person in that field.

Have a nice day.

Watching a movie alone is enjoyable.

He was surprised when he saw the list of nuclear powers.

Universal gravitation is at work between the Earth and the Moon.

In order to solve this quantum mechanics problem, we need to find the eigenfunction.

Scientists are developing a new type of fusion reactor.