He is a world-renowned researcher.

He is known as an excellent researcher.

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.

The North American Aerospace Defense Command is responsible for the aerospace defense of North America.

He was staring at the horizon on the sea.

He was staring at the horizon.

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