毫无疑问，美丽女人的死亡是世界上最富有诗意的主题。
The death of a beautiful woman is， unquestionably， the most poetical topic in the world.
The value of a commodity, or the quantity of any other commodity for which it will exchange, depends on the relative quantity of labor which is necessary for its production, and not on the greater or less compensation which is paid for that labor.
能源转型不仅仅是更换燃料，更是整个系统的变革。
人类最伟大的追求是了解自己必须做什么才能成为一个人。