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31. | A tide of immigration. |
| 移民潮 |
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32. | epidemiology of immigration |
| 移民流行病学 |
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33. | immigrant education |
| 移民教育 |
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34. | immigration status |
| 移民状况 |
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35. | immigrant service |
| 移民服务 |
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36. | quota immigration |
| 限额移民 |
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37. | economic migrants |
| 经济移民 |
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38. | immigrant traffic |
| 移民运输 |
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39. | emigrant contract |
| 契约移民 |
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40. | Vietnamese settlers |
| 越南移民 |
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