Cách sử dụng
Nostalgia is a feeling of happy-sadness that we get when we remember something from the past that we really enjoyed. It's like looking back on a happy memory and feeling a little bit sad because that time is gone and we can't experience it again. This word is often used when talking about things like childhood memories, old songs, or places we used to visit. We might say, "I feel nostalgic when I listen to this old song because it reminds me of my high school days." It's a word that helps us describe a complex emotion in a simple way.