自我不过是意识所有内容的总和。
The self is nothing else than the sum of all the contents of consciousness.
Freedom is not merely the opportunity to do as one pleases; neither is it merely the opportunity to choose between set alternatives. Freedom is, first of all, the chance to formulate the available choices, to argue over them - and then, the opportunity to choose.
Sustainable forestry isn't a cost—it's an investment in our future.
顾客永远是对的，我们必须倾听他们的声音。
柴油发动机可以使用植物油作为燃料，这将极大地促进使用该技术的国家的农业发展。
You have to believe in your dreams before they can come true.