"We are all storytellers, weaving the fabric of our lives with the threads of our memories."
The task of the teacher is to lead the student from the known to the unknown.
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。