陪伴是最长情的告白相守是最温暖的承诺
[péi bàn shì zuì zhăng qíng de gào bái xiāng shŏu shì zuì wēn nuăn de chéng nuò]
A poetic way of saying 'Companionship is the longest-lasting confession; staying together is the warmest promise'. It emphasizes deep and lasting commitment in relationships.