第一段引出學(xué)習(xí)的意義 ①As food is to the body, so is learning to the mind ②Our bodies grow and muscles develop with the intake of food ③Likewise, we should keep learning day by day to maintain our mental power and expand our intellectual capacity 第二段學(xué)習(xí)的好處 ①Constant learning supplies us with fuel for driving us to sharpen our power of reasoning, analysis, and judgment ②Continuous learning is the best way to keep pace with times in the information age 第三段不學(xué)習(xí)的危害 ①I(mǎi)t is a common misunderstanding to regard school as the only place for the acquisition of knowledge ②On the contrary, learning should be an endless process from the cradle to the grave ③With the world change so fast， to stop learning for just a few days will make a person lag behind ④Lack of learning will inevitably lead to the stagnation of the mind, or even worse, its fossilization 第四段結(jié)尾 ①Therefore, to stay mentally young, we have to take learning as a lifelong career