物以稀为贵，成了天下千古不易的真理。近年来，各大城市的出租汽车总量由政府调控这只手，拉下了“死闸”，使出租车数量与城市客流量的比例上，呈现了出租车的优势所在，月收入三四千元至七八千元不等，成为人们眼红的行业。因此，一张出租车的营运证，高出原值上百倍，高到 Scarcity of valuable things, has become the world’s hard-won truth. In recent years, the total amount of taxis in major cities is controlled by the government and the “dead brake” has been pulled down so that the ratio of taxis to urban traffic shows the advantage of taxis. The monthly income is 34 Thousands of dollars to seven or eight thousand dollars, as people jealous industry. Therefore, a taxi operating permit, higher than the original value of hundreds of times, high