Combinatorics is a branch of mathematics that studies combinations of things.

Combinatorics is a branch of mathematics dealing with issues of order and choice.

Combinatorics is a branch of mathematics that studies combinations of things.

He has a very passive personality.

Her slanted eyes are very attractive.

When you press this button, the pressure increases.

This picture has a 'ura-utsuri', so there is a beautiful picture painted on the back as well.

The shape of this chamfered cube is mathematically very interesting.

I installed a new hammock in the garden.

He ravenously ate the steak.