"Professor, now is the critical time, are you sure you want to quit?"

"You have persevered for so many years, and it can be said that this technology has been able to fight to this extent to this extent is due to the professor!"

"Let me work together for the progress of mankind!"

"Professor Han Jinzhu! We need your knowledge very much! ”

"If we didn't have your help, the research experiments would have stopped!"

"You can't abandon me like that

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