看见先于言语。孩子在能说话之前就已经在看和识别了。
Seeing comes before words. The child looks and recognizes before it can speak.
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。
The more you learn, the more you realize how little you know.