写作是为我们的梦想发声的一种方式。
The past is always with us, and it shapes who we are and what we become.
The robot is a device that is designed to do the work of a human being, but it is not a human being.
机器人是一种被设计用来完成人类工作的设备,但它并不是人类。
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。