人的情形和土地一样，有什么时候潜在的能力自己也不知道，正像地主有时并不知道他那块土地上有黄金矿。
It is in man as in soils, where sometimes there is a vein of old which the owner knows not of.
金山金矿矿体属于缓倾斜薄至中厚矿体，形态复杂，开采难度大，原采用全面法开采，采矿损失大、工效低、采场生产能力小。
The orebody in Jinshan gold mine is flatly inclined and has thin to medium thickness, with a complicated morphology, thus the mining is very difficult.
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