我爱你不只是说说在一起只这样就好
[wŏ ài nĭ bù zhĭ shì shuō shuō zài yī qĭ zhĭ zhè yàng jiù hăo]
It expresses 'I love you not just in words; just being together like this is enough.' indicating sincere love where merely staying with the partner in simplicity is fulfilling enough.