translation.en: In fact, the greatest wealth. If you think about these other asteroids, there's a class of the nickel iron, which in platinum-group metal markets alone are worth something like 20 trillion dollars, if you can go out and grab one of these rocks.
translation.zh: 实际上，其中蕴藏着的是最巨大的财富。看下这些小行星， 有一种镍铁矿单单在铂族金属矿市场上 价值约20万亿美元， 如果你有能力飞上太空， 并获取其中的一块。