The propensity to truck, barter, and exchange one thing for another is common to all men, and to be found in no other race of animals.
交换、交易和互换的倾向普遍存在于所有人之中,而在其他动物种族中找不到。
能源的未来是多样化的,没有单一的解决方案。
不要让任何人告诉你你做不到某件事。
The six colors, including the white background, represent the colors of all the world's flags ... this is a true international emblem.