His definition is more intricate than Berger's, citing those five features that distinguish migration from other forms of movement.

他的定义比伯杰的更复杂，加入了区分迁徙与其他运动形式的五个特征。

youdao

Animal migration, however it is defined, is far more than just the movement of animals.

无论如何定义，动物迁徙都远远不止是动物的移动。

youdao

Our concern is with movement between nations, not with internal migration within nations, although such movements often exceed international movements in volume.

我们关注的是国家之间的流动，而不是国家内部的流动，尽管国内流动的数量经常超过国际流动。

youdao

The Great Migration is the largest movement of animals on the planet.

BBC: Migration and the Masai Mara

The great migration to the Cloud and the virtualization movement will only create more of a need to monitor device performance and more need for his services.

FORBES: Vess Bakalov's SevOne: Making Big Data Manageable

Users may not be aware of the migration, and as of yet IT may not have a strategy to define the movement.

FORBES: The Great Enterprise Migration to the Cloud Begins