Although Zhu Mo's phone was hung up, what he said kept Liu Lu unresponsive for half a day, lingering in his head all the time. I don't know what exactly is the meaning of this sentence?

She looked at her cell phone for half a day and did not respond, but because she was still standing downstairs in the company, Liu Lu still attracted a lot of people to watch, which made her stunned and decided to leave quickly.

Sitting in his car, Liu Lu's doubts could not be answered when he remembered the words of Zhu Mo.

"What does Chu Mo mean? What has been explained to my brother?...