Cách sử dụng
'Goodbye' is a word that we use to say farewell when we are leaving someone or something. It is a polite way to say that we are done talking or being in a specific place. You can use it when you leave a meeting, a friend's house, or after a phone conversation. It is essential to use 'goodbye' in formal situations like at the end of a business meeting or when you are talking to your elders. It's a respectful way to conclude your conversation by politely saying goodbye to the person or people you are talking to.