你是我不可代替的未来你是我不可迷失的方向
[nĭ shì wŏ bù kĕ dài tì de wèi lái nĭ shì wŏ bù kĕ mí shī de fāng xiàng]
It conveys a deep love where one person considers the other to be irreplaceable in their future and the direction giver in life's journey; showing the significance and uniqueness of the beloved.