进一退二法倍投法优点

简介：The Crown Prince of the Ming Dynasty had an accident in the military, and no one among the civil and military officials accompanying him could escape responsibility. It can range from being thrown into jail, to being afraid of having your head turned upside down. Especially the people in charge, from Funing Marquis Zhu Guobi down, were all terrified and could not sleep all night.