"The past is the past, but the future is a blank canvas."
导演最有回报的部分是看到最终的产品,并知道你创造了有意义的东西。
"The greatest thing you'll ever learn is just to love and be loved in return."
成功辨识的关键是找到一个足够灵活的模型结构,以捕捉系统的基本特征,同时又足够简单,可以从现有数据中估计出来。