Freedom of speech is a fundamental element of democracy.

Freedom of association is one of the basic rights of democracy.

Personal freedom is one of our basic rights.

It's difficult to decide the priority of work.

The lifestyle of the super-rich is so luxurious that ordinary people can't even imagine it.

Nuclear fusion is expected to be a future energy source.

I mailed a letter at the post office.

Yutaka is always smiling, and his abundant personality is loved by everyone.

He was scared to enter the haunted house.

Europium is one of the rare earth elements.