成就感是个人追求成功的动力。社会的进步、科学发明和丈学创作都是由这种内在力量推动的。它像一架马力巨大的“发动机”促使人们奋发图强，取得一个又一个成功。美国心理学家麦克莱伦等人的研究表明，成就感强的人在学习上成绩优秀，而且学习速度快、效率高、自觉性强。他们 A sense of accomplishment is the driving force for individual success. Social progress, scientific inventions, and scholarships are all driven by this inner strength. It is like a huge “engine” that motivates people to work hard and achieve success one after another. Studies by American psychologist McClellan and others show that people with a strong sense of accomplishment are excellent at learning, and they have fast learning, high efficiency, and strong consciousness. they