Cách sử dụng
The expression "come back" means to return to a place or a situation. You can use this expression in different situations, such as when you want to ask someone to return to where they were before leaving or to return to a conversation after being interrupted. For instance, if your friend left the room to get something and you want them to return, you can say "come back". Also, if someone interrupts you while you are speaking, you can say "let me finish my thought, please come back to what we were talking about." In general, "come back" is used when you want someone or something to return to a previous state or location.