等待只有回忆记忆只有等待
[dĕng dài zhĭ yŏu huí yì jì yì zhĭ yŏu dĕng dài]
It expresses the idea that when one waits, there's only the presence of past memories; however, all that remains of these past experiences are just memories. It implies the circular nature of waiting and reminiscing about what was.