时光不老感情不变
[shí guāng bù lăo găn qíng bù biàn]
'时光不老感情不变' (Shiguang Bulaiao Ganyang Bufan) translates to 'Time Does Not Age, Feelings Do Not Change,' expressing a desire or promise for lasting and enduring relationships, suggesting loyalty and permanence in emotion and love regardless of the passage of time.