rules for organization of train operation

例句：

1. 1. The company has strict rules for employees to follow.
   公司对员工有严格的规定。
2. 2. These new rules will be effective immediately.
   这些新规则立即生效。
3. 3. The government has introduced several new rules to improve public safety.
   政府已经引入了多项新的规则，以改善公共安全。