Scars have the strange power to remind us that our past is real.
Borders are scars on the face of the earth, marks of violence and division.
我不会让恐惧支配我的生活。
海洋的化学是一种我们才刚刚开始理解的语言。
动态规划理论基于最优性原理,该原理指出,无论初始状态和初始决策如何,剩余决策必须构成关于第一个决策所导致状态的最优策略。
We are all characters in a story we did not write.