In Marxism, it is said that the relations of production form the foundation of society.

His nature is very kind.

Detailed information is needed to understand the nature of that project.

I was moved by his sincerity.

His nature is very kind.

Gender identity refers to the gender that each individual recognizes themselves as.

He is suffering from combat stress reaction.

I'm troubled by his unproductive attitude.

Japan's gross national product is the third highest in the world.

Japan's gross domestic product is an important indicator of the health of the economy.