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The study of formal languages and automata is essential for understanding the theoretical underpinnings of computer science.
过去是一个不同的国家,他们做事的方式不同。
在所有团结的催化剂中,最容易运用和理解的一项,就是仇恨。
Confidence is the most beautiful thing you can possess.
A writer is someone who can make a riddle out of an answer.