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Mathematics knows no races or geographic boundaries; for mathematics, the cultural world is one country.
数学不知道种族或地理界限;对于数学来说,文化世界是一个国家。
The properties of the whole are not deducible from the properties of the parts.
每一座建筑都是一次发现的旅程。
Sustainable fishing isn't an option—it's the only way forward.