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| internal migration A population shift occurring within national or territorial boundaries, often characterized by persons seeking labor opportunities in more advantageous areas | |||
| internal migration | |||
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migration interieure : 1 短语, 1 学科 |
| 一般 | 1 |
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| internal migration A population shift occurring within national or territorial boundaries, often characterized by persons seeking labor opportunities in more advantageous areas | |||
| internal migration | |||
|
migration interieure : 1 短语, 1 学科 |
| 一般 | 1 |