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The interplay between discrete and continuous mathematics is where some of the most interesting problems lie.
Fruit is a noble cause,the cause of flower is sweet,but still let me in the obscurity of the shadow of the dedication to do it cause leaf.
出自先秦《荀子·礼论》。生是人的开始,死是人的终结。开始与终结都做得好,那么他的为人之道就完善了。说明意在劝人行仁行善,要善始善终。