怀念这世界总有一份遗憾
[huái niàn zhè shì jiè zŏng yŏu yī fèn yí hàn]
'Longing for this world where there is always a lingering regret' conveys a sense of melancholy about the inevitability of unfulfilled wishes in life. There’s a yearning mixed with sorrow about missed opportunities or imperfections.