39. 克服困难:overcome obstacles/difficulty 40. 面临危险/困难 : be confronted/faced with/in the face of danger/difficulty
In 1960 a well-known mathematician Norbert Wiener, who founded the field of cybernetics(控制论), put it this way: “If we use, to achieve our purposes, a mechanical agency with whose operation we cannot effectively interfere(干预), we had better be...
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