Growth and innovation are at the heart of everything we do.
估计问题的性质不同。在这里,我们不关心检验特定的假设,而是关心估计参数的值。
成功的唯一限制是你自己的想象力。
我不是语言,我是声音。
The more you know, the more you realize you don't know.
"The dead are as real as the living, but in a different way."