“极限”二字已频频出现在我们的生活里 ,如商家打出的降价条幅……极限价格 ,体育健儿爱说的一句话……挑战极限运动等等 ,“极限”到底是什么呢 ?“极限”这一概念往往含有“不可超越”的涵义 ,也有那种不断努力 ,可总难达到目标的感觉 ,这也是生活中最朴素的极限思想 .那我 “Limit” has frequently appeared in our lives, such as the price cuts that merchants have played... Limit prices, words that sports athletes love to say... Challenges to extreme sports, etc. What is “limit” in the end? “This concept often contains the meaning of ”unsurpassed," and it also has the feeling that it is always difficult to achieve goals. It is also the most simple limit thought in life.