regulation of circulation

例句：

1. 1. The government hasstrict regulations on environmental protection.
   政府对环境保护有严格的规定。
2. 2. The company's policyon employee benefits is well-regulated.
   该公司的员工福利政策管理得井井有条。
3. 3. The new regulations will affect all businessesoperating in the area.
   新的规章制度将影响该地区所有运营的企业。