公路和铁路并不能通达任何地方，即使如此，许多笨重的设备仍需要分拆运输，然后在目的地再组装起来。

Roads and railways do not reach everywhere, and even if they did, many cumbersome and heavy constructions need to be hauled in pieces, only to be put together at the final destination.

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爱迪生不是第一个想到用电照明的人；许多年来，笨重的电弧灯就在公共区域和工厂投入使用。

Edison was not the first person to have thought of using electricity for illumination: cumbersome electric arc-lighting had been employed in public Spaces and factories for a number of years.

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