This elderly professor was clearly trying to make things difficult for Chen Zhezhe, and this was far from a standard exam question.
Even if Liu Wen, a model student excelling in both character and academics, had been asked this, she wouldn't have been able to answer right away. Liu Wen clearly remembered coming across a similar topic while browsing through postgraduate thesis defenses, but she had only glanced at it casually and certainly couldn't have remembered the details.
It looked like Chen Zhezhe was about to make a fool of himself!
Chapter 782