如果你开灯的速度足够快的话，那你就能看见黑暗是什么样子的了。
If you turn on the light quickly enough you can see what the dark looks like.
她对我说你开灯时要注意安全，不要在开灯时看灯泡因为有时候灯泡会爆炸。
She tell me that when you turn on the lamp must to been attention security, you are couldn't watch the lamp, because the lamp sometime will explode.
多一小时的日照时间，你不需要开灯就可以节约能源。
By having another hour of sunlight, you can save energy by not needing to turn the lights on.
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