policy surveillance

例句：

1. 1.The government is implementing a new policy to improve public health.
   政府正在实施一项新的政策以改善公共卫生。
2. 2. The company's policy on data privacy is being closely monitored by the regulatory authorities.
   该公司对数据隐私的政策正受到监管机构的密切监控。
3. 3.The policy of openness and transparency is crucial for maintaining good relations with our international partners.
   开放透明政策对于与我们的国际伙伴保持良好的关系至关重要。