The notion of a function is fundamental in mathematics, and the λ-calculus is an attempt to make this notion precise.
函数的概念在数学中是基础的,而λ演算试图使这一概念精确化。
可持续发展不是口号,而是企业必须承担的社会责任。
现在,对于做了很小错事的人,人们都知道他做错了并谴责他;对于犯了大的过错,以至于攻打别的国家的人,人们却不知道谴责他,反而跟着赞美这种行为,说这是义。
Successful entrepreneurs must possess both idealism and realism.
The future belongs to those who dare to dream.