Every year there are 200,000 Chinese engineering graduates, and they don ’ t know what we know. We can solve problems they cannot。

差评，就一个20页的ppt，内容不完整，还要5积分。

说的就是夏宇闻老师那本书的内容，还不错！

学习一下！！

好好好好好

不错，学习一下，感谢分享啊。