I've been told that I have a lot of energy. The secret is that I use renewable resources. Some days I'm solar powered. Some days I'm wind powered. And some people in this room might think I'm hybrid gas-powered. You'll just have to guess which it is today.
有人说我精力充沛。秘诀是我使用可再生资源。有时候我用太阳能。有时候我是靠风力发电的。在座的一些人可能认为我是混合动力车。你只需要猜猜今天是哪一天。
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Energy