问题的数学表述通常比其解决方案更重要,后者可能仅仅是数学或实验技巧的问题。
"History is not just about the past; it's about the present and the future too."
知识以神经元网络中激活的分布式模式表示。
Death is one of the few things that can be done as easily lying down.
I don't have to be perfect. I just have to try my best.