This is where we need Ore Deposit Models!

这就是我们为什么需要矿床模型！

youdao

We need ore!

我们需要矿石！

youdao

In a sense the problem is the same as deciding which quality of ore to mine in the first place: we now need to either find richer sources to recycle from or arrange how we use these materials in the first place to facilitate recycling.

FORBES: Recycling Scrap Rare Metals Vital to Future Technologies