America's Moving West Movement in the 19th century is not only a move of territorial expansion but also one of massive migration and successful development of the West.

十九世纪美国的西进运动不仅是领土扩张运动，同时也是大规模移民及成功开发西部的运动，为美国能迅速成为世界上第一流的强国奠定了坚实的基础。

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Besides, the massive migration to cities, and the transformation of urban space creates extraordinary opportunities for real estate business companies.

此外，大批迁居城市的人口以及都市空间的转化为房地产公司提供了绝好的机会。

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To achieve that sort of number means massive migration online from shop-front or factory-door commerce.

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What everyone should be watching instead is the quiet but massive migration of core gamers online.

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Stein traces their involvement, at least in South Africa, to the massive migration of Jews from Eastern Europe, particularly Russia-controlled Lithuania.

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