函数是一种对应规则,通过它当给定任何东西(作为参数)时,可以获得另一个东西(该参数的函数值)。
"I think the best films are the ones that challenge you, that make you think, that stay with you long after you've left the theater."
Every technological breakthrough is a revolution for the industry.
过去是学习的重要来源,但也是错误的重要来源。