People have changed or passed away, but the scenery or objects remain as they were, often evoking a sense of nostalgia or melancholy over the passage of time.
多年后重游旧居，庭院里的那棵老树依旧繁茂，只是人非物是，不胜唏嘘。
Revisiting the old residence many years later, the old tree in the courtyard was still lush, but people had changed while things remained the same, leaving one with a sigh of melancholy.
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