例一小王原来是某机关的一个处长,年薪2.4万元。在下海潮中,他辞职下海经商,一年下来赚了5万元。他认为自己下海是对的,但在经济学家眼中,小王却是做了一笔亏本的买卖。经济学家认为,世界上没有白吃的午餐,作出任何决策都要放弃另一个决策,得到了点什么,就不得不放弃点什么,正如中国古话所说的:“鱼与熊掌不可得兼。” A case of a small Wang was originally a director of an organ, annual salary of 24,000 yuan. In the tide of the sea, he resigned his business in the sea and earned a total of 50,000 yuan a year. He thinks he is right down to the sea, but in the eyes of economists, Wang is doing a loss-making sale. Economists believe that there are no free lunch in the world and any decision-making must give up another decision. If something is done, we will have to give up something. As the Chinese saying goes: “ ”