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学习一门新编程语言的唯一方法就是用它编写程序。
The only way to learn a new programming language is by writing programs in it.
Recursion is the root of computation since it trades description for time.
商业成功始于诚信,没有诚信,再好的战略也会失败。
The only way to make sense out of change is to plunge into it, move with it, and join the dance.