(25) ______ is true of skating is also true of life. James Dyson worked through 5,126 prototypes (原型) for his newest vacuum before coming up with the design(26) ______ made his fortune. These failures were essential to the pathway of learning. As Dyson put(27) ______: "You can't develop new technologyunless you test new ideas and learn when things go wrong. Failure is essential to invention."

　　In healthcare, however, things are very different. Clinicians don't like to admit to failure, partly because they have strongegos (自我) -particularly the senior doctors-and partly because they fear litigation (诉讼). The consequence is that (28) ______ ______ learning from failure, healthcare often covers up failure. The direct consequence is that the same mistakes (29) ______ (repeat). According to the Journal of Patient Safety, 400,000 people die every year in American hospitals alone due to preventable error. (30) ______ healthcare learns to respond positively to failure, things will not improve.