"The true essence of a story is not in its plot, but in the emotions it evokes."
The most powerful tool in business is trust.
判断两个λ表达式是否等价的问题是无法解决的。
译文:成家立业后才知道柴米的贵重,自己抚养孩子时才知道报答父母的恩情。赏析:世事的艰难,只有当我们亲身经历后才会懂得,生活的不易,只有当我们尝遍酸甜苦辣咸才会明白。