Think about the 1930s - it was the era of the Great Depression. No wonder it was the decade with the least vigorous us population growth of all time.
回忆一下1930年代——这是一次经济大萧条的时期。它无疑也是美国有史以来人口增长最不景气的十年。
Think about the 1930s - it was the era of the Great Depression. No wonder it was the decade with the least vigorous us population growth of all time.
回忆一下1930年代——这是一次经济大萧条的时期。它无疑也是美国有史以来人口增长最不景气的十年。
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