migration freedom

• 迁徙自由

migration freedom的用法和样例：

例句

1. The principle of freedom of movement is a basic principle in the international migrational law.
   迁徙自由原则是国际移民法的基本原则。
2. The rear upright features three pivot balls making it fully adjustable in all angles making for more complete adjustment and freedom of movement of the rear suspension.
   后方正派具有三个支点球，使之完全可调的，在各个角度来制定较完整的调整和迁徙自由的后悬挂。