But then Mehmet hit forensic pay dirt: a handful of unknown profiles.

但后来，迈赫米发现了法医的证据：一些不为人知的档案。

Pay dirt. The surviving relatives of the Merchant family...

有所收获 看来默钱特一家剩下的亲戚。

After days of meticulous searching, the box's layer of silt yielded pay dirt, archeologists discovered a commemorative eerie canal metal and a small collection of old coins.

经过几天的细致搜寻，考古学家在盒子的淤泥层中发现了一些有价值的东西，他们发现了一种具有纪念意义的怪异运河金属和一小批旧硬币。

A different sort of pay dirt, however, offers the prospect of a much greater return for urban miners: the printed circuit boards (PCBs) found in rapidly growing mountains of electronic waste.

然而，另一种财富却为城市矿工带来了更大回报：在迅速增长的电子垃圾山中找到的印刷电路板（PCB）。