The key to successful identification is to find a model structure that is flexible enough to capture the essential features of the system, yet simple enough to be estimated from the available data.
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。
I can resist everything except temptation.
互联网的未来是万物互联的时代。
婚姻的快乐完全是机会的问题。
The most dangerous poison is the feeling of achievement. The antidote is to think every morning, 'What can be done better?'