—— 请按键盘 空白键 开始游戏 ——

Gold and silver, like other commodities, have an intrinsic value, which is not arbitrary, but is dependent on their scarcity, the quantity of labour bestowed in procuring them, and the value of the capital employed in the mines.
黄金和白银,像其他商品一样,具有内在价值,这不是任意的,而是取决于它们的稀缺性、获取它们所耗费的劳动量以及在矿山中使用的资本价值。
If you want to go fast, go alone. If you want to go far, go together.
你知道得越多,就越意识到你不知道的越多。