The λ-calculus is a formalism for representing functions and their application.
λ演算是一种表示函数及其应用的形式体系。
故事可以帮助孩子们理解世界和他们自己。
A person may cause evil to others not only by his actions but by his inaction, and in either case, he is justly accountable to them for the injury.
杰出的领导者会不遗余力地提升员工的自尊。如果人们相信自己,他们能取得的成就是惊人的。