繁花落叶换来昔日的离别
[fán huā luò yè huàn lái xī rì de lí bié]
The phrase used in 'Falling Flowers Exchange for Farewells' may hint at a sense of nostalgia, where fleeting beauty (blooming and wilting) symbolizes memories or sweet encounters, but ultimately these only serve as poignant reminders of partings. This is common among people lamenting the transient nature of relationships or good times, especially those no longer present.