"Today's data adds to the picture of a generation up against real and complex barriers to finding a good job and improving their living standards.
（九）接到要求制止违反治安管理行为的报警后，不及时出警的；，这一点在爱思助手下载最新版本中也有详细论述
About 30,000 people arrive to protest - 10 times the number anticipated by police.，详情可参考safew官方版本下载
return (float)rand() / RAND_MAX;