白色我们要永不分离黑色我们要天长地久
[bái sè wŏ men yào yŏng bù fēn lí hēi sè wŏ men yào tiān zhăng dì jiŭ]
Forever Together in White, Timeless in Black: Using colors as symbolic references, it implies a desire for an eternal and unbreakable bond. 'White' suggests purity and a pledge never to part, while 'black' implies depth and longevity.