A thank-you letter is a letter to thank each other for their help. Because everything is true, and the feelings you want to express are also true, so be sure to write your name. Writing a thank-you note is a heartfelt emotion, because the other party extended a helping hand when he needed it most. This is a feeling of timely assistance, and there is no need to be anonymous.
As a researcher of folk craft theory, I was invited to visit Shizuok