天长地久不过是个奢侈品
[tiān zhăng dì jiŭ bù guò shì gè shē chĭ pĭn]
It translates to 'eternal love is merely a luxury.' This reflects a cynical view on enduring relationships, implying that long-lasting love or commitments are rare and unattainable for many, akin to a luxury that few can afford in life.