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Mathematics knows no races or geographic boundaries; for mathematics, the cultural world is one country.
当一个人用本真的面目说话时,他最不像自己。给他一个面具,他就会告诉你真相。
The challenge in computational learning theory is to understand the capabilities and limitations of learning algorithms.
一两次接触容易处理好关系,长期在一起关系就难处了。