Zhang Yining, once known as the "Great Demon King" of table tennis, captivated countless fans with her fierce playing style and superior skills. However, in recent years, she has found herself embroiled in a whirlpool of public opinion. Many fans hold the view that after marrying into a wealthy family, Zhang Yining gradually withdrew from the public eye and no longer seemed to exert the same level of effort in promoting table tennis as before. This perspective is not entirely baseless; compared to Wang Nan's active presence in the public sphere, Zhang Yining appeared to lead a more secluded life. "Words can be fearsome," and sometimes public opinion can make a one-sided judgment on someone without a deep understanding of the situation. But is this really the case? Recently, a series of events involving Zhang Yining shed light on this misunderstood aspect of her life. The voice of her black apprentice, Jeffrey Roy, provided strong evidence to the contrary. It turns out that Zhang Yining has been quietly contributing to the cause of table tennis abroad. During her tenure as a coach at the China Table Tennis College Papua New Guinea Training Center, she met Jeffrey Roy. Zhang Yining treated this apprentice with great dedication, not only imparting professional skills and tactics but also generously providing equipment for playing. Under her meticulous guidance, Roy's technical and tactical levels soared. At the South Pacific Games, Roy shone brightly, winning silver medals in two events, which undoubtedly stands as the best testament to Zhang Yining's teaching achievements. Subsequently, Zhang Yining's appearance in…