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哭往哭来,反从事乎衣食之财,佴乎祭祀,以至孝于亲。
哭着送去,哭着回来,回来后要努力于衣食之物的生产,资助祭祀,并用来孝顺双亲。
The real challenge is not just to feed the world, but to nourish it in a sustainable way.
The PAC learning framework provides a formal way to quantify the learnability of a concept class.
We live in an age that reads too much to be wise, and thinks too much to be beautiful.