Everyone is in favor of free speech. Hardly a day passes without its being extolled, but some people's idea of it is that they are free to say what they like, but if anyone else says anything back, that is an outrage.
生活中最大的荣耀不在于从不跌倒,而在于每次跌倒后都能爬起来。
材料的质量反映了品质的质量。
机器学习的最终目标是制造能够从经验中学习并随时间提高性能的机器。