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The field of mathematics can offer some intriguing areas of specialized study.
数学的这个领域会在专业学习中包括一些有趣的知识。
youdao
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Let me open the field of vision: the difficulty of mathematics increased;
让我打开眼界：数学难度增加了；
youdao
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Let me open the field of vision: the difficulty of mathematics increased;
让我打开眼界：数学难度增加了；
youdao