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学习数学的唯一方法就是做数学。
The only way to learn mathematics is to do mathematics.
无论如何你都得思考,那为什么不往大处想呢?
Corporate social responsibility is not just about philanthropy, but about creating shared value for all stakeholders.
The world owes all its onward impulses to men ill at ease. The happy man inevitably confines himself within ancient limits.
韧性是通过克服挑战建立起来的。