这个定义充分表达了成本的概念，即成本不单单是为得到一件东西而花费的金钱，还包括为了得到这件东西，你放弃的价值。
Thisdefinition captures the idea that the cost of something is not just its monetary cost butalso the value of what you didn't get.
尽管我们为毕业生准备了一篇Suess博士的文章，题目叫“那些你们会去的地儿啊！” ，然而，你在材料里还是必须多说点关于未来的计划和打算，而不是简简单单的一句“前途是光明滴~”。
We all got a copy of Dr. Suess’ Oh the Places You’ll Go! for graduation, but your essay has to say a little more about your future than “it’s going to be great.”
认为宇宙或神灵将你挑选出来，单单为了让你生活悲惨，而改变世界秩序是以自我为中心，也是不符合逻辑的。
To believe that the universe or a spiritual entity has singled you out and shifted the world order just to make your life miserable is both self-centered and illogical.
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