一些人在幼儿园时就学会了他们应该知道的东西,而我直到上了大学才学到对我的生活来说最重要的,也是影响我一生的一课。在大学的经济学课上,教授给我们介绍了一个对我来说颇为新鲜的词汇——机会成本,它指的是为了得到某种东西而所要放弃另一些东西的最大价值。也就是说,当你要选择一件事情的时候,必须要放弃 Some people learned what they should know when they were in kindergarten, and it was not until I went to college that I learned what was most important to my life, but also a lesson that influenced my life. In college economics, the professor introduced us to a rather fresh term for me - opportunity cost, which refers to the maximum value of giving up something else to get something. In other words, when you want to choose one thing, you must give up