What's so funny about this?

spoke up righteously. “We must send someone to investigate the culprit behind this incident. We cannot let them get away with it. If any of you know something, please tell Director Tang immediately s... Lin Jinran questioned. " 。The maid hurriedly nodded, "Yes, I found it by accident. I used it once, and then I asked Mr. Mu, and he said there was indeed a 。Lin Jin yan deeply looked at her for a fe...