In the case of Tehran, this self-sufficiency has come about through the sale of building permits, including the charging of high fees for exemptions from existing zoning restrictions under the master-plan for the city.
就德黑兰来说，这种自给自足是通过出售建筑许可权获得的，包括根据城市全面计划对不受现有区域划分限制的例外情况征收较高的豁免费。