Can sapphire express gratitude?
My PhD has finally graduated, and my supervisor has been very kind to me since I enrolled. Although strict, he is really a good person. [Praise R]
I want to give her a gift to express my gratitude. [Shy R] I picked out a sapphire ring and wore it with a low-key sense of luxury. I think it fits my mentor's temperament very well. [Cute R] I don't know if my mentor would be willing to accept it



















































