well, with the effectiveness of services to defend the interests of the masses. Third, we should strive to do well. To a chi eve good pra ctical results, the key is to know the la w, to grasp the laws a nd usi ng laws. Office of economi c devel opme nt, social pr ogress, there are rul es to follow. Only a ct accordi ng to the la w, to over come bl indness and strengtheni ng init iative, creative.