Though handicapped by poor health,he persisted in studying.
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he persisted in studying
他坚持学习。
以上为机器翻译结果，长、整句建议使用 人工翻译 。
K. Marx had deep love for mathematics. For decades, he persisted in studying mathematics at leisure, taking nearly one thousand pages of mathematical notes, which still remained.
马克思热爱数学，几十年坚持不渝地利用闲暇时间学习数学，留下了近千页的数学手稿。
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