A tranquil mind is the source of health.
宁静的心灵是健康的源泉。
The silence between them was heavy, filled with unspoken words and unresolved emotions.
这就是人类第一个划时代的变革,人类建立了家庭,形成了某种形式的私有制,也给自己带来了无穷无尽的争吵和冲突。
计算机科学最伟大的单一成就是算法概念的发展。