Zhang Wuben, a person's name, and mung bean, a vegetable's name, were originally not related. However, Zhang Wuben's book "Eat Away the Diseases Caused by Eating" has deeply entangled these two legumes together, which further triggered a sharp rise in the price of mung beans! So who is this Zhang Wuben? And how did he manipulate the surge in mung bean prices? Please stay tuned for the reporter's series of investigations: