岁月飘逝淡淡的忧伤
[suì yuè piāo shì dàn dàn de yōu shāng]
'岁月飘逝淡淡的忧伤' can be translated as 'A Slight Sorrow After Time Passes by Quietly'. It seems to express the subtle melancholy or sadness that comes with the passage of time, reflecting on memories lost or changes that have occurred over the years.