云计算不仅是技术的变革,更是商业模式的变革。
相关系数的可能误差不是可以从第一原理推导出来的东西,而是必须通过经验找到的。
最重要的是做自己并享受乐趣。
Now some advantages particular to this age are not to be denied. Boredom seems to have been vanquished. There is always something to do, but hasn’t this translated into a perpetual distraction in our lives.