成民的画册终于出版了，我为这位年轻艺友的新成就而高兴。
Eventually Chengmin's Album of Painting has been published. I feel delighted for this young friend's new achievement.
著名数学家、数学教育家齐民友说：一个没有数学文化的民族是注定要衰落的。
Renowned mathematician and educator Qi Minyou says, "a nation without a mathematic culture is doomed."
著名数学家、数学教育家齐民友说：一个没有数学文化的民族是注定要衰落的。
Renowned mathematician and educator Qi Minyou says, "a nation without a mathematic culture is doomed."
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