Cách sử dụng
The expression "have been there before" means that you have already experienced something similar or have faced a similar situation in the past. It is often used to indicate that you understand or empathize with someone's current situation because you have been through something similar. For example, if a friend is going through a breakup, you can say "I know how you feel, I have been there before." It is a common expression to convey empathy and understanding to someone who is going through a difficult time.