We laid the foundation for the new building.

He filed a lawsuit against the company.

He decided to sue the company.

My computer is made of silicon.

How do you spend your everyday life?

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

Humans and nature should coexist together.

I eat fresh vegetables every day.

Silicon dioxide is a major component of glass and ceramics.

Koiso-san is my best friend.