The wine is the most healthful and hygienic of beverages.
葡萄酒是最有益健康和卫生的饮料。
Protecting marine life is protecting our own future.
Innovation is not an option; it's a necessity for the survival of the coal industry.
We are all exiles in one way or another.
生活不是等待暴风雨过去,而是学会在雨中跳舞。
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。