C541 Importance

After hanging up the phone, the seriousness on Zhang Bufan's face did not dissipate. Ke Xianshu, who was at the side, saw Zhang Bufan's expression and went forward to ask.

"Dr. Chen, what happened?"

Zhang Bufan took a step back from his past memories and turned to look at Ke Xianshu, shaking his head.

"It's just some old things."

Zhang Bufan looked at his phone and turned to tell Ke Xianshu