Music makes me happy and also sad.
学习算法的研究必须同时考虑学习的统计和计算方面。
The future of food depends on how we treat our soil today.
道人是非长短者通常枯燥乏味,但当他谈起自己时却往往妙趣横生。
Happiness is not something ready made. It comes from your own actions.
拥有众多军队不能得到军心,这和单人行动有什么区别呢?