The word "disadvantages" has a long history. The first time, it is estimated that people can’t remember the disadvantages. However, for thousands of years, the disadvantages have emerged in an endless stream. Although it is a derogatory term, it turns the words of Gan Kun into a strategy. Whether it is a disadvantage or a strategy depends on whether it violates laws, ethics and regulations. Relatively speaking, disadvantages are a way of small risk and big reward.

City companies spread false news, builders cut corners, and even behind the housing prices, there are also government selling land to whitewash the achievements of economic development. Selling the achievements…