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"Ein Buch ist wie ein Garten, den man in der Tasche trägt."
最舒服的一张椅子,是客人来访时我自己坐的那张。
Algebraic geometry is the study of zeros of polynomials.
Innovation in communication technology should focus on solving real-world problems.
The tragedy of great power politics is that even well-intentioned states are forced to act in ways that can lead to conflict and war.