The coexistence of humans and nature is important for the sustainability of the Earth.

Humans and nature should coexist.

He has a rare synaesthesia where he hears sounds when he sees colors.

Their opinions have many common points.

All of these points are on the same line.

We hold a community listening session every Friday.

These two planes are coplanar.

He likes to take a walk in the park at dusk.

The Calopteryx cornelia is a species endemic to Japan, and it has beautiful wings.

He understands the meaning of the proverb 'Teaching is half learning', which means that teaching leads to one's own learning.