这可真是太浪费电了，我告诉爸爸后，他这么说。
That's an atrocious waste of power, my dad said when I told him.
去年有些政客抱怨圣诞灯饰不环保。因为太浪费电了。
Vicki: Last year, some politicians complained that the Christmas lights were not eco-friendly because they use so much energy.
屏幕太亮，不但缩短电视机的寿命，而且费电。
If the screen is too light, it will decrease the lifecycle of TV and waste electricity.
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