restrictions on trade

例句：

1. 1. The governmenthas imposed strict restrictions on the movement of people.
   政府对人员流动实施了严格的限制。
2. 2.The company has introduced new restrictions on employee work hours.
   公司对员工工作时间施加了新的限制。
3. 3. The traffic police have issued a series of restrictions to control the flow of vehicles.
   交通警察发布了一系列的限制措施，以控制车辆的流动。