Artificial intelligence will be at the center of future technology.

The next census will be conducted next year.

Demography is a part of social science that studies the structure, evolution, and problems of human population.

Demography is a branch of social science that studies the structure, distribution, and changes in human population.

We played a match on the artificial turf soccer field.

He was drawing a character of a yellow person.

Looking at the population pyramid, you can see that this country is aging.

Like this, we deepened our friendship.

The doctor diagnosed a problem with his anus.

He makes a living by agriculture.