你是我无法割舍的昨天你是我无法抹去的记忆
[nĭ shì wŏ wú fă gē shè de zuó tiān nĭ shì wŏ wú fă mŏ qù de jì yì]
A poignant expression indicating that someone or something is an indelible part of one's past, so unforgettable that it remains deeply etched into their memory, inseparable from who they have become.