quarantine restriction

例句：

1. 1.The government has imposed a quarantine restriction on the travel of international passengers.
   政府对国际旅客的旅行实施了隔离限制。
2. 2.The quarantine restriction has been lifted, allowing people to resume their normal activities.
   隔离限制已经解除，人们可以恢复正常活动。
3. 3.The quarantine restriction was necessary in order to prevent the spread of the virus.
   隔离限制是必要的，以防止病毒的传播。