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正是因为他这样的坚持不懈，勤奋好学，不畏艰难，才使他成为一个有学问的人。
It is precisely because he so persistent, diligent, brave, make him a learned man.
youdao
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正是因为他这样的坚持不懈，勤奋好学，不畏艰难，才使他成为一个有学问的人。
It is precisely because he so persistent, diligent, brave, make him a learned man.
youdao