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

Discrete mathematics is an important field that forms the basis of computer science.

We respect Japanese culture.

We are going on a trip tomorrow.

When I first met her, I introduced myself saying, 'I am Japanese.'

We prioritize customer satisfaction above all else.

We will do our best to solve this problem.

My personal thought is that everyone should be treated equally.

He values his private life.

He was born as an illegitimate child and experienced many difficulties.