The lingering sound: describes the singing or music that is beautiful and touching, with an endless aftertaste.

Shenghua Miaobi: Beautiful metaphorical writing and excellent writing skills.

Endless aftertaste: describes thinking about and experiencing something afterward, and the more you think about it, the more interesting it becomes.

It has endless flavor: it describes things with profound meaning, making people think over and over again, and have endless aftertaste.

Evoking thought: profound and timeless meaning, worthy of repeated reflection and understanding.

Meaningful: The artistic conception is profound and thought-provoking.

Endless aftertaste: Things are endlessly interesting and make people think about them again and again.