This is a slightly gloomy background music, as if during the sunset, with sadness.
This piece of music is colored with gloom, just like the time during the sunset, with sadness.
这是一首略微阴郁的背景音乐，仿佛在日落期间，带有伤感。

This piece of music is colored with gloom, just like the time during the sunset, with sadness.