Following an interview, write your interviewer a brief thank-you letter ... sign a formal contract (the information from the Human Resources Department that Wei refers to), but this letter ...

Formal letters differ in some key ways from e-mail and even from professional memos. The purpose of a formal letter is often serious: It may be a formal application for a job, a formal statement ...

For example, saying thank you in formal conversations can differ from ... information about alternative ways to say thanks ...