In natural or technological disasters, people could be trapped in the wreckage of their homes or places of work.

当发生自然或人为灾害时，人们可能会被困在住宅或工作场所的残骸中。

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In natural or technological disasters, people could be trapped in the wreckage of their homes or places of work.

当发生自然或人为灾害时，人们可能会被困在住宅或工作场所的残骸中。

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