people over 65 from 1940-2000.
There was a slight decline in the number of aged people over 65 from 1960-1980. There was a fluctuation between 1 million and 1.2 million from 1940-1950.
雅思小作文所使用的词汇(3)
2019-03-16 14:58
雅思小作文所使用的词汇(3).doc
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