The wild is a place of constant change. To survive, you have to be ready to adapt.
I don’t need a reason to be confident.
金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生产它们的矿山所投入的资本价值。