internal migration

基本解释

In a recent paper*, Mr Stark and his co-authors investigate internal migration instead.
在近期的报告里，斯达克先生和他的合著者着手调查国内人口的流动情况。
A second source of growth was large-scale internal migration, mainly from south to north.
第二个增长动力来自大规模的国内迁移，主要是从南向北。
In 2005, more than half the poor countries surveyed by the UN Population Division said they wanted to reduce internal migration to rein in urban growth.
2005年，联合国人口司所调查的穷国中超过一半声称，他们愿意减少国内的人口流动，以延缓城市化的进程。

But the internal migration of just 52, 000 Jews to the North would overturn that majority.
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Only 680, 000, though the internal migration data for Africa are weak and therefore a comparative undercount is likely.
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If you include Texas, Oregon and Washington (also targets of Californian flight), the figure for internal migration is 2.5m.
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