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墨子说:言论如果能够付诸行动的就可以讲;不能够付诸行动的就别多说。言论不能付诸行动的而常讲,这就是卖弄口才了。
在观察性研究中,我们常常不得不依赖于无法直接检验的假设。
Profit and sustainability are not enemies; they are partners in long-term success.
The greatest works are those that are still being read long after their authors have died.