Cách sử dụng
The expression "those were the days" is used to express nostalgia for a time in the past when things were different and often seen as better. It is often used to refer to a specific era, such as childhood or a particular period in history, and may evoke feelings of longing or fondness for that time. For example, someone might say "those were the days" when reminiscing about a simpler time in their life or when talking about a past event that was particularly memorable.