农药残留与粘土矿物也存在相互作用。
There is also interaction between clay minerals and pesticide residues.
这些矿物也使水变得有营养——因为水的来源天然富含矿物质，所以水也是如此。
Those minerals make this water exceptionally great, too-since the source the water comes from is naturally loaded with minerals, so is the water.
挖掘和处理设备就需要花掉数百万美元，要实现盈利就必须开采出成吨的金子，其他有价值的所含矿物也必须尽可能的被利用。
Getting the digging and processing equipment to the site costs millions, and then tons of gold must be produced and preferably other valuable minerals must also be present for a mine to be profitable.
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