学习时的苦痛是暂时的，未学到的痛苦是终生的。
Time the study pain is temporary, has not learned the pain is life-long。
学习时的苦痛是暂时的，未学到的痛苦是终生的。
the study pain is temporary, atlantica gold, has not learned the pain is life.
学习时的苦痛是暂时的，未学到的苦痛是终生的。
The pain of study is temporary, but the pain of not learned is life-long.
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