He holds a personal grudge against me.

My personal thought is that everyone should be treated equally.

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.

He values his private life.

The foundation stone of this building was laid 100 years ago.

Compounds containing acyl groups play an important role in organic chemistry.

The allyl group plays an important role in organic chemistry.

The sulfonyl group plays an important role in chemical reactions.