模型的目的是足够简单以便理解和使用,但又足够复杂以捕捉系统的基本特征。
The only way to learn a new programming language is by writing programs in it.
我相信爱和音乐的力量可以治愈并让人们团结在一起。
The future of fishing lies in balancing economic growth with environmental stewardship.