比較難以接受, 跟絕對值關係不大。隨著美國人口結構比例的變化,教育科研都會發生變化,不隨人意誌轉移。
比較難以接受, 跟絕對值關係不大。隨著美國人口結構比例的變化,教育科研都會發生變化,不隨人意誌轉移。
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