七年后你身着黑西装七年后我身着白婚纱
[qī nián hòu nĭ shēn zhe hēi xī zhuāng qī nián hòu wŏ shēn zhe bái hūn shā]
In seven years, you will wear a black suit, and I'll wear a white wedding dress. It signifies an ongoing unrequited love or long-lasting memory towards someone specific from seven years before.