因为矿弄出来不纯粹，还有很多其他的东西在里面，必须要洗。

When you pull out minerals, they're not pure. There is a lot of other stuff in there, so you have to wash them.

youdao

这是因为矿商在大宗商品市场5年低迷期间削减了勘探和新项目上的支出。

This is because miners have cut spending on exploration and new projects during the five-year downturn in commodity markets.

youdao

而其中原因往往是因为对手采的矿和气比自己多。

Often the reason is that their enemy mined more resources than they did.

youdao