He is good at solving technical problems.

Information technology plays a very important role in modern society.

The leisure industry occupies an important part of the economy.

The Industrial Revolution greatly changed the world's economy.

As soon as he arrived, he said 'I just got here.'

He dreams of entering the world of entertainment.

He is successful in the business world.

He is highly respected in the education world.

He is deeply interested in the spiritual world.

We exist as a part of the material world.