This app is very convenient.

This app is very convenient.

This building has a polysurface shape, which is very unique.

He is studying the shape of a polyhedron.

On cold days, I like to warm up my coffee.

He is interested in the shape of a polyhedron.

He is a many-sided person, being both an artist and an excellent businessman.

He decided to go to the dentist to straighten his teeth.

It's important to save a little money every month.

He went around to the other side of the building.