你是我此生不遇的蔚蓝我是你此生不遇的海
[nĭ shì wŏ cĭ shēng bù yù de yù lán wŏ shì nĭ cĭ shēng bù yù de hăi]
A poetic way of expressing deep connection and destiny in a relationship. The person describes themselves as each other's unique ocean and the vast blue sky, metaphorically signifying irreplaceable and essential elements for each other, highlighting mutual importance.