Increase in population made emigration necessary.
人口的增加使向外移民成为必要。
emigration from Europe to America
从欧洲移居到美洲
emigration is perhaps the best gauge of public unease.
移民可能是社会不安定程度最好的晴雨表。
He called for a halt to the recent wave of emigration.
他呼吁停止近期的移民潮。
Increase in population made emigration necessary.
人口的增加使向外移民成为必要。
emigration from Europe to America
从欧洲移居到美洲
emigration is perhaps the best gauge of public unease.
移民可能是社会不安定程度最好的晴雨表。
He called for a halt to the recent wave of emigration.
他呼吁停止近期的移民潮。
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