最令人兴奋的事情是当你突然看到一个困扰你很长时间的问题的解决方案时。
解释:局势安定的国家,常常是富足的;局势 动乱的国家,常常是贫穷的。
The architecture of the Internet is designed to be open and flexible, allowing for continuous evolution.
In life, unlike chess, the game continues after checkmate.