深度学习是一种机器学习形式，它使计算机能够从经验中学习，并通过概念层次来理解世界。
"Deep learning is a form of machine learning that enables computers to learn from experience and understand the world in terms of a hierarchy of concepts."
Think wrongly, if you please, but in all cases, think for yourself.
You don't have to be a mathematician to have a feel for numbers.
社会系统是个人之间以及群体之间关系的系统。
Happiness is not something ready made. It comes from your own actions.
The only real life is the life of the mind.