Rural to urban migration appeared inevitable in the process of urbanization and industrialization.

农村人口向城市迁移是城市化以及工业化进程中出现的必然现象。

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We then present a further model extension in which urban house price rises retard rural-urban migration.

接着我们对模型作了一个延伸：城市住房价格的增长延缓了城乡人口流动。

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While this is still a huge number, it could ease over time as rural to urban migration fills up the empty flats.

尽管1300万仍是一个庞大的数字，但随着移居城市的农村人口搬入一套套空置公寓，随着时间的推移，问题会逐渐减轻。

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Behind this environment are the great social processes of migration and modernization that produced that new urban form, the metropolis.

在这种环境背后是移民和现代化的重大社会进程,所带来的新的城市形式，即大都市。

耶鲁公开课 - 现代诗歌课程节选

Another key event in the making of modernism is the great migration of African-Americans from the rural south to the urban north.

现代创作的另一个重要事件,是非裔美籍从南部乡下,往城市化的北部的大移民。

耶鲁公开课 - 现代诗歌课程节选

As urban migration continues apace, these figures are only expected to rise in the short term.

CNN: Could big cities lead the fight against climate change?

Hukou reform, they believe, could boost rural-urban migration and with it the consumer spending China needs.

ECONOMIST: Migration in China

Urban migration is also prompting some local governments to provide better services to newcomers, as well as extending city services into satellite towns.

WSJ: China's Population Shifts to Cities