Even after Page and Brin flipped on the light switch, most companies continued to wear blindfolds.

虽然佩奇和布林已经开启了希望之光，大多数人还是戴着眼罩，处于懵懂状态。

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After one lamp is damaged, switch over managing to the reserve lamp automatically to make the lamp machine give out light normally.

当一根灯损坏后，自动切换到备用灯管，使灯器正常发光。

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The idea was this: If after burning a quantity of heavy gasoline the airship became light, the skipper had only to switch to hydrogen, thus reducing lift.

FORBES: The long, loud history of hydrogen as a motor fuel.