In other words, the conscience functions like a skylight, not a light bulb.

换句话说，良知的作用类似于天窗，而不是灯泡。

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A candle does not produce as much light as a light bulb.

蜡烛产生的光亮不如灯泡强。

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That little light bulb you have in the living room is killing the planet. It does not matter if it’s an LED, a CFL, or an incandescent.

正是你客厅里的那个小灯泡已经在扼杀这个星球，不管他是LED，节能灯，还是白炽灯。

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Despite the horror stories being pitched suggesting that people in hazmat gear will be required to clean up a busted light bulb, the truth is a broken CFL bulb will be swept up (not vacuumed) just as broken bulbs have always been swept up.

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An exhibitor can now change a light bulb without an electrician present (so long as the job does not require a ladder) and set up his own display (so long as it can be done in less than half an hour, with no tools).

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Not just the obvious basics such as sufficient resources of food and water, even the simple light bulb poses a problem.

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