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中国每一代,都有相当于美国规模的人口从农村涌入城市。
China every generation, there is equivalent to the size of the U. s. population from rural areas to cities.
youdao
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中国每一代,都有相当于美国规模的人口从农村涌入城市。
China every generation, there is equivalent to the size of the U. s. population from rural areas to cities.
youdao