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敢于挑战传统，敢于质疑现实。
The courage to challenge the traditional, dared to question the reality.
youdao
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因为不惧，所以敢于质疑和挑战；
Because of fearlessness, there comes doubt and challenge;
youdao
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敢于质疑，提出合理的、有意义的数学问题；
Strengthening the ability of doubting something, and posing significative problems;
youdao