Wherever there's a road, there's a coalmine.

哪儿有路，哪儿就有煤矿。

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The rescuers used a special device for finding people trapped in the coalmine.

救援者用一种特殊装置寻找被困在煤矿井下的人们。

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Every few minutes, a black smudge, smattered with muddy puddles, denotes a coalmine.

每隔几分钟，就会看到一个黑点，表示那里是个露天煤矿，挨着些泥坑。

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He said the Cambrian disaster had shocked other miners, partly because it was considered to be a modern coalmine.

BBC: NEWS | UK | Wales | South East Wales | Fatal mine explosion remembered

Serving as a psychological canary in the coalmine of your life, warning you to re-evaluate the wisdom inherent in following one particular path relative to alternative ones.

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After the war, the communists decided to exploit a huge coalmine underneath it, swelling the population to 70, 000 housed in block after block of hideous high-rise concrete hulks, utterly devoid of a sense of community.

ECONOMIST: Saxon snapshots