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科學是人類理解和改造世界的最有力工具。

Fisheries should not only pursue economic benefits but also focus on ecological and social benefits.

A legal system is a system of rules which are valid according to the system's own criteria of validity.

"The markets are always changing, and so should your strategies."

追求數學知識是一場永無止境的冒險，充滿了挑戰、驚喜和解決不可解問題的滿足感。