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Mathematics is a living, breathing discipline, constantly evolving with new ideas.
数学是一门活生生的学科,随着新思想的出现而不断发展。
All Moanday, Tearday, Wailsday, Thumpsday, Frightday, Shatterday.
我不是圣人,但我也不是罪人。
Sustainable fishing practices are not an option, but a necessity if we want to preserve marine biodiversity.