我说爱你天长地久你说爱我天长地久
[wŏ shuō ài nĭ tiān zhăng dì jiŭ nĭ shuō ài wŏ tiān zhăng dì jiŭ]
'I Said Love You Forever and You Said Love Me Forever.' Conveying mutual declarations of eternal love, representing commitment and a romantic sentiment between partners.