我是你不可消失的永远你是我执手天涯的誓言
[wŏ shì nĭ bù kĕ xiāo shī de yŏng yuăn nĭ shì wŏ zhí shŏu tiān yá de shì yán]
A romantic phrase expressing eternal devotion and loyalty between two individuals - the person claims they are the unvanishing forever for their loved one, while also being bound by a vow to each other across vast distances (reaching to 'the ends of the Earth').