"The markets are always changing, and so should your strategies."
Energy security is national security.
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。
"The power of a story lies in its ability to connect us to the unknown."
Love does not begin and end the way we seem to think it does. Love is a battle, love is a war; love is a growing up.
刚强纯洁的高尚人品,要在烈火般艰苦的斗争中锤炼;惊天动地的丰功伟业,必须在薄冰般险恶的环境里前进。