The lights are kept off to save money on the electricity bill.
为了省电费，灯都关着。
Televisions and lights use electricity.
电视和电灯利用电能。
In order not to waste electricity, turn off all the lights when you go out.
为了不浪费电，出门时把所有的灯关掉。
We should save electricity , we'd better turn off lights if we leave a room.
我们应该节约用电，当离开房间的时候，最好把灯关上。
Turn off the lights so you don't waste electricity.
把灯光关了，这样您就不会浪费电力。
Repair and service for the hotel area electricity and lights.
修理和维修酒店所有控制区域的电路，包括电力和照明。
The lights were dimmed out when the electricity supply was reduced.
电力供应被削减后，灯光就变暗了。
Sometimes his house had no electricity, hot water or lights.
有时他的房子没有电，热水或灯，只有帐单。
A world without electric lights. Without electricity.
一个没有电灯的世界。没有电的世界。
Electricity gives power for lights.
电为电灯提供能量。
Whether by day or night, electricity is restored, the emergency lights automatically turn off.
无论白天或夜晚，市电恢复正常时，应急灯自动。
Please turn off the lights. We should save the electricity.
请把灯关掉，我们应该节约用电。
We turned all the lights off so as not to waste electricity.
我们把所有的灯都关闭，以便不费电。
We turned all the lights off so as not to waste electricity.
我们把所有的灯都关闭，以便不费电。
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