自私基因理论并不是关于日常意义上的自私的理论。它是关于行为进化的理论。
合同本质上是不完全的,因为不可能预见所有未来的偶然事件。
Now, my mama always told me that miracles happen every day. Some people don't think so, but they do.
The intersection of cryptography and complexity theory is where some of the most fascinating problems in computer science reside.