well, with the effectivene ss of servi ces t o defend the i nterest s of the masses. T hird, w e shoul d strive to do well. To a chiev e good pra ctical re sults, the key is t o know the law, t o grasp t he laws a nd usi ng laws. Office of economic development, social pr ogress, t here are rules to foll ow. Only a ct according to the law, to overcome bli ndness a nd strengtheni ng initiative, crea