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。
The biggest risk to our industry is not the energy transition itself, but being unprepared for it.
Every challenge is an opportunity in disguise.
Innovation is the market introduction of a new technical process, product, or organizational form.