People migrate to cities like Jakarta in search of work.

人们移居到雅加达这样的城市找工作。

《柯林斯英汉双解大词典》

The slump forced many small farmers to switch to other crops, or migrate to cities.

价格下滑迫使许多农户改种其他作物或者迁往城市。

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Every year, between 10m and 15m rural people migrate to cities – a pattern that is likely to be repeated for the next decade at least.

中国每年有大约1000万到1500万农村人口进入城市，这种趋势至少在未来十年可能都会持续下去。

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Workers found it more worthwhile to stay in third tier cities than to migrate back to tier 1 cities on the coast, said Ira Kalish, a director of global economics at Deloitte.

FORBES: In Coastal China, A Labor Shortage

Hence, in Japan, when a wealthy man died, the eldest son inherited all, generally land, and the younger siblings, who were equally educated, tended to migrate to the cities and transferred their allegiance to the emperor rather than their families.

FORBES: Why China Is Finally Abandoning Its One Child Policy

It'll require changes to policies that restrict the ability of people to migrate permanently to the cities.

BBC: Can Wuhan's state-owned giants adapt?