日不见太阳的暖夜不见月亮的蓝
[rì bù jiàn tài yáng de nuăn yè bù jiàn yuè liàng de lán]
'Sunny Day Without Sunshine, Night Without Moonlight Blue', depicts scenarios when usual warmth of sun or color of the night sky cannot be felt even if expected; this can express internal disconnection or alienation, feeling estranged from comfort which is supposed to naturally exist, reflecting emotional detachment or solitude.