北城以北深海为眠南城以南思念不归
[bĕi chéng yĭ bĕi shēn hăi wéi mián nán chéng yĭ nán sī niàn bù guī]
'Beyond the North City, Sleeping in the Depths; South of the South City, Longing Does Not Return' is poetic imagery expressing emotional distances, where one feels disconnected yet yearns intensely.